| Analysis | Metabolite Name | Measured Value | Units | Sex | Severity_Scale | Race | Ethnicity | hasSmokingBeforeCOVID-19 | Time |
|---|---|---|---|---|---|---|---|---|---|
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.832276257 | log transformed data | Female | 0 | White | Non-Hispanic | 1 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.832276257 | log transformed data | Female | 3 | White | Non-Hispanic | 0 | during COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.832276257 | log transformed data | Male | 0 | White | Non-Hispanic | 1 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.832276257 | log transformed data | Male | 1 | Black | Non-Hispanic | 0 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.832276257 | log transformed data | Male | 1 | White | Non-Hispanic | 0 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.832276257 | log transformed data | Male | 2 | Other | Hispanic | 0 | post-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.807770465 | log transformed data | Female | 1 | Other | Hispanic | 1 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.766082606 | log transformed data | Male | 0 | Other | Non-Hispanic | 1 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.675004702 | log transformed data | Female | 0 | Other | Hispanic | 0 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.641454849 | log transformed data | Female | 0 | Black | Non-Hispanic | 0 | post-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.638966843 | log transformed data | Female | 2 | White | Non-Hispanic | 0 | post-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.635569352 | log transformed data | Male | 1 | White | Non-Hispanic | 1 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.619964694 | log transformed data | Female | 1 | White | Non-Hispanic | 0 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.596912818 | log transformed data | Female | 0 | White | Non-Hispanic | 0 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.590031916 | log transformed data | Female | 2 | Other | Hispanic | 0 | during COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.579783832 | log transformed data | Male | 1 | White | Non-Hispanic | 1 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.579206337 | log transformed data | Female | 0 | Other | Hispanic | 0 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.571920951 | log transformed data | Female | 0 | White | Non-Hispanic | 0 | post-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.570694445 | log transformed data | Female | 1 | White | Non-Hispanic | 1 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.563604533 | log transformed data | Male | 3 | White | Non-Hispanic | 1 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.551897777 | log transformed data | Male | 0 | White | Hispanic | 0 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.551539849 | log transformed data | Female | 0 | White | Non-Hispanic | 0 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.551418611 | log transformed data | Female | 0 | White | Non-Hispanic | 1 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.542088389 | log transformed data | Female | 2 | Black | Non-Hispanic | 0 | post-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.531386815 | log transformed data | Female | 3 | White | Non-Hispanic | 1 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.530831714 | log transformed data | Female | 0 | Black | Non-Hispanic | 0 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.524652778 | log transformed data | Female | 1 | Black | Non-Hispanic | 1 | post-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.518523754 | log transformed data | Female | 2 | White | Non-Hispanic | 0 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.514567264 | log transformed data | Female | 2 | White | Non-Hispanic | 1 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.508122563 | log transformed data | Male | 2 | White | Non-Hispanic | 0 | post-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.502602407 | log transformed data | Female | 0 | Black | Non-Hispanic | 0 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.499259282 | log transformed data | Female | 1 | White | Non-Hispanic | 1 | post-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.497819157 | log transformed data | Female | 1 | Other | Non-Hispanic | 0 | during COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.494413771 | log transformed data | Female | 2 | White | Non-Hispanic | 0 | during COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.494294863 | log transformed data | Female | 2 | Other | Non-Hispanic | 0 | post-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.481871547 | log transformed data | Female | 0 | White | Non-Hispanic | 0 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.479825471 | log transformed data | Male | 2 | White | Non-Hispanic | 1 | post-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.478907957 | log transformed data | Female | 0 | White | Non-Hispanic | 0 | post-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.472031986 | log transformed data | Female | 1 | White | Non-Hispanic | 1 | during COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.471303061 | log transformed data | Male | 2 | White | Non-Hispanic | 1 | post-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.465879494 | log transformed data | Female | 1 | White | Non-Hispanic | 0 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.46581764 | log transformed data | Female | 1 | Black | Non-Hispanic | 0 | during COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.464944092 | log transformed data | Female | 0 | Black | Non-Hispanic | 1 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.462262675 | log transformed data | Female | 1 | White | Non-Hispanic | 1 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.461213968 | log transformed data | Female | 0 | White | Non-Hispanic | 1 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.458149824 | log transformed data | Male | 2 | White | Non-Hispanic | 1 | post-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.457125597 | log transformed data | Male | 3 | White | Non-Hispanic | 1 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.453857124 | log transformed data | Female | 0 | Black | Non-Hispanic | 0 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.453353716 | log transformed data | Female | 0 | White | Non-Hispanic | 0 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.451971438 | log transformed data | Male | 3 | Other | Hispanic | 1 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.451864005 | log transformed data | Female | 0 | White | Non-Hispanic | 1 | post-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.445619057 | log transformed data | Female | 3 | White | Non-Hispanic | 1 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.444070957 | log transformed data | Male | 3 | White | Non-Hispanic | 1 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.441764729 | log transformed data | Male | 0 | White | Non-Hispanic | 1 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.440092414 | log transformed data | Male | 3 | White | Non-Hispanic | 0 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.437951217 | log transformed data | Female | 1 | Other | Hispanic | 0 | post-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.435330686 | log transformed data | Female | 0 | Other | Non-Hispanic | 0 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.430677941 | log transformed data | Male | 0 | Black | Non-Hispanic | 1 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.42882252 | log transformed data | Female | 1 | Other | Non-Hispanic | 1 | post-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.427146033 | log transformed data | Female | 0 | Black | Non-Hispanic | 0 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.424243213 | log transformed data | Male | 0 | White | Non-Hispanic | 0 | post-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.420550269 | log transformed data | Female | 2 | White | Non-Hispanic | 1 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.417630155 | log transformed data | Female | 0 | Other | Non-Hispanic | 0 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.414241825 | log transformed data | Male | 1 | White | Non-Hispanic | 1 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.41077438 | log transformed data | Female | 2 | Other | Non-Hispanic | 0 | during COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.407926986 | log transformed data | Female | 0 | Other | Non-Hispanic | 0 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.406411565 | log transformed data | Female | 0 | Other | Hispanic | 0 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.405944193 | log transformed data | Female | 2 | White | Non-Hispanic | 1 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.405783391 | log transformed data | Female | 0 | Other | Hispanic | 0 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.405195176 | log transformed data | Male | 1 | Other | Non-Hispanic | 0 | post-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.403807947 | log transformed data | Female | 1 | White | Non-Hispanic | 1 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.403647069 | log transformed data | Female | 0 | Other | Non-Hispanic | 0 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.402398039 | log transformed data | Male | 0 | White | Non-Hispanic | 1 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.400936449 | log transformed data | Male | 0 | White | Non-Hispanic | 0 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.400593919 | log transformed data | Male | 2 | White | Non-Hispanic | 0 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.400475154 | log transformed data | Female | 0 | White | Non-Hispanic | 1 | post-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.399958715 | log transformed data | Female | 1 | Black | Non-Hispanic | 1 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.399189464 | log transformed data | Female | 1 | White | Non-Hispanic | 0 | post-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.394976306 | log transformed data | Female | 1 | Black | Non-Hispanic | 1 | post-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.39434721 | log transformed data | Female | 3 | White | Non-Hispanic | 0 | during COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.39109088 | log transformed data | Male | 1 | White | Non-Hispanic | 1 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.390484838 | log transformed data | Female | 0 | Black | Non-Hispanic | 0 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.386604076 | log transformed data | Female | 0 | White | Non-Hispanic | 0 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.38588329 | log transformed data | Female | 0 | White | Non-Hispanic | 1 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.385859777 | log transformed data | Female | 0 | Other | Non-Hispanic | 0 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.385730592 | log transformed data | Male | 0 | White | Non-Hispanic | 0 | post-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.381662001 | log transformed data | Female | 1 | Black | Non-Hispanic | 0 | during COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.378238455 | log transformed data | Female | 0 | White | Non-Hispanic | 0 | post-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.376025649 | log transformed data | Female | 3 | White | Non-Hispanic | 1 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.371729623 | log transformed data | Male | 0 | White | Non-Hispanic | 0 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.369947471 | log transformed data | Female | 1 | Black | Non-Hispanic | 1 | post-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.367064056 | log transformed data | Male | 0 | White | Non-Hispanic | 1 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.360845677 | log transformed data | Male | 2 | Other | Hispanic | 0 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.359136874 | log transformed data | Male | 1 | White | Non-Hispanic | 1 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.357636171 | log transformed data | Male | 2 | White | Non-Hispanic | 1 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.357153438 | log transformed data | Female | 0 | White | Non-Hispanic | 0 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.356340993 | log transformed data | Female | 0 | White | Non-Hispanic | 1 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.355922477 | log transformed data | Female | 0 | Other | Hispanic | 0 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.354805983 | log transformed data | Female | 1 | White | Non-Hispanic | 0 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.353836644 | log transformed data | Female | 3 | Black | Non-Hispanic | 1 | post-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.351646474 | log transformed data | Male | 1 | White | Non-Hispanic | 1 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.350971167 | log transformed data | Female | 0 | White | Non-Hispanic | 1 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.349646233 | log transformed data | Female | 0 | Other | Non-Hispanic | 1 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.347815391 | log transformed data | Male | 1 | White | Non-Hispanic | 1 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.345542537 | log transformed data | Male | 0 | Black | Non-Hispanic | 1 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.345181493 | log transformed data | Female | 3 | Black | Non-Hispanic | 1 | during COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.338624798 | log transformed data | Female | 0 | Other | Hispanic | 0 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.336788237 | log transformed data | Female | 0 | White | Non-Hispanic | 1 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.336425028 | log transformed data | Male | 0 | White | Non-Hispanic | 0 | post-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.336307501 | log transformed data | Male | 3 | White | Non-Hispanic | 1 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.334070939 | log transformed data | Male | 1 | Black | Non-Hispanic | 1 | during COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.332620857 | log transformed data | Female | 0 | Black | Non-Hispanic | 0 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.33183767 | log transformed data | Female | 1 | Black | Non-Hispanic | 0 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.328167021 | log transformed data | Female | 0 | Other | Hispanic | 0 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.326963085 | log transformed data | Female | 0 | Other | Non-Hispanic | 0 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.326400023 | log transformed data | Male | 0 | White | Non-Hispanic | 0 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.324270739 | log transformed data | Female | 0 | White | Non-Hispanic | 0 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.323733134 | log transformed data | Male | 0 | White | Non-Hispanic | 0 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.321300276 | log transformed data | Male | 1 | White | Non-Hispanic | 1 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.317749761 | log transformed data | Male | 0 | White | Non-Hispanic | 0 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.31617348 | log transformed data | Male | 3 | White | Non-Hispanic | 1 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.314522528 | log transformed data | Male | 1 | Other | Hispanic | 1 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.312751282 | log transformed data | Female | 0 | Other | Non-Hispanic | 0 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.312113968 | log transformed data | Female | 0 | Black | Non-Hispanic | 0 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.311560565 | log transformed data | Female | 1 | Black | Non-Hispanic | 1 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.310905263 | log transformed data | Male | 0 | White | Non-Hispanic | 0 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.310561013 | log transformed data | Male | 1 | White | Non-Hispanic | 1 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.309993103 | log transformed data | Female | 0 | White | Non-Hispanic | 0 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.308570287 | log transformed data | Male | 2 | White | Non-Hispanic | 1 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.307772978 | log transformed data | Female | 3 | Black | Non-Hispanic | 0 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.306288728 | log transformed data | Male | 0 | Black | Non-Hispanic | 1 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.303794994 | log transformed data | Male | 3 | White | Non-Hispanic | 1 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.30374234 | log transformed data | Male | 0 | White | Non-Hispanic | 1 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.299352037 | log transformed data | Female | 0 | Other | Non-Hispanic | 0 | post-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.2988178 | log transformed data | Male | 1 | Other | Hispanic | 1 | post-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.297495335 | log transformed data | Female | 0 | Other | Hispanic | 0 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.295964097 | log transformed data | Male | 1 | White | Non-Hispanic | 1 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.293715772 | log transformed data | Male | 1 | Black | Non-Hispanic | 1 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.292261838 | log transformed data | Male | 0 | Other | Non-Hispanic | 1 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.290870239 | log transformed data | Female | 2 | White | Non-Hispanic | 1 | during COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.290458853 | log transformed data | Male | 0 | Other | Non-Hispanic | 1 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.289882381 | log transformed data | Female | 0 | Other | Hispanic | 0 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.289177933 | log transformed data | Female | 0 | White | Non-Hispanic | 0 | post-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.285944796 | log transformed data | Female | 1 | Other | Non-Hispanic | 0 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.284209045 | log transformed data | Female | 2 | White | Non-Hispanic | 1 | post-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.283999671 | log transformed data | Female | 1 | White | Non-Hispanic | 1 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.282534289 | log transformed data | Female | 1 | White | Non-Hispanic | 0 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.282044762 | log transformed data | Female | 0 | Other | Non-Hispanic | 0 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.281409597 | log transformed data | Male | 2 | White | Non-Hispanic | 1 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.281243734 | log transformed data | Female | 0 | White | Non-Hispanic | 0 | post-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.280073695 | log transformed data | Male | 1 | White | Non-Hispanic | 0 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.279836548 | log transformed data | Male | 0 | White | Non-Hispanic | 1 | post-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.279168843 | log transformed data | Female | 0 | White | Hispanic | 1 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.276826418 | log transformed data | Male | 0 | White | Non-Hispanic | 1 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.273556571 | log transformed data | Female | 0 | White | Non-Hispanic | 1 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.273468346 | log transformed data | Female | 1 | White | Non-Hispanic | 1 | post-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.272811862 | log transformed data | Female | 0 | White | Non-Hispanic | 0 | post-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.272172165 | log transformed data | Male | 2 | White | Non-Hispanic | 1 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.269018861 | log transformed data | Male | 0 | White | Non-Hispanic | 1 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.267494764 | log transformed data | Female | 0 | Black | Non-Hispanic | 0 | post-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.266803195 | log transformed data | Male | 2 | White | Non-Hispanic | 1 | during COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.264253709 | log transformed data | Female | 1 | White | Hispanic | 0 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.264096156 | log transformed data | Female | 1 | Black | Non-Hispanic | 0 | during COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.263093608 | log transformed data | Male | 0 | White | Non-Hispanic | 0 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.262342369 | log transformed data | Male | 2 | Black | Non-Hispanic | 0 | post-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.261785178 | log transformed data | Female | 1 | Black | Non-Hispanic | 1 | during COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.261563767 | log transformed data | Female | 0 | Other | Non-Hispanic | 1 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.260967508 | log transformed data | Female | 1 | Black | Non-Hispanic | 0 | post-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.259110826 | log transformed data | Female | 3 | Other | Hispanic | 1 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.259105907 | log transformed data | Male | 2 | Black | Non-Hispanic | 0 | during COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.256011562 | log transformed data | Male | 0 | White | Non-Hispanic | 0 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.254440636 | log transformed data | Female | 0 | Black | Non-Hispanic | 0 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.251129405 | log transformed data | Female | 0 | Other | Hispanic | 1 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.249734282 | log transformed data | Female | 0 | Black | Non-Hispanic | 0 | during COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.249555308 | log transformed data | Female | 0 | Other | Hispanic | 0 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.249503963 | log transformed data | Male | 3 | White | Non-Hispanic | 0 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.246712658 | log transformed data | Female | 0 | White | Non-Hispanic | 1 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.245539422 | log transformed data | Female | 0 | Other | Non-Hispanic | 1 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.243684963 | log transformed data | Female | 0 | White | Non-Hispanic | 1 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.242512094 | log transformed data | Female | 0 | Other | Non-Hispanic | 0 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.242273745 | log transformed data | Female | 0 | Black | Non-Hispanic | 0 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.241828645 | log transformed data | Female | 0 | White | Non-Hispanic | 0 | post-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.23563768 | log transformed data | Female | 0 | Other | Hispanic | 0 | post-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.234365477 | log transformed data | Female | 0 | Black | Non-Hispanic | 1 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.232832603 | log transformed data | Female | 0 | White | Non-Hispanic | 0 | post-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.231539976 | log transformed data | Male | 3 | White | Non-Hispanic | 1 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.227410408 | log transformed data | Female | 0 | White | Non-Hispanic | 0 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.223394579 | log transformed data | Female | 0 | Other | Hispanic | 1 | during COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.223257426 | log transformed data | Female | 1 | Black | Non-Hispanic | 1 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.223186743 | log transformed data | Female | 0 | White | Non-Hispanic | 0 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.221611519 | log transformed data | Female | 2 | Other | Non-Hispanic | 0 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.221260266 | log transformed data | Female | 0 | Black | Non-Hispanic | 0 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.219707256 | log transformed data | Female | 0 | White | Non-Hispanic | 0 | post-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.216415539 | log transformed data | Male | 1 | Black | Non-Hispanic | 0 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.215413789 | log transformed data | Male | 3 | Other | Hispanic | 0 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.215378587 | log transformed data | Male | 0 | White | Non-Hispanic | 0 | post-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.210035622 | log transformed data | Male | 0 | White | Non-Hispanic | 1 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.210028187 | log transformed data | Male | 1 | Other | Hispanic | 1 | during COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.207306842 | log transformed data | Female | 0 | Black | Non-Hispanic | 0 | pre-COVID-19 |
| HILIC NEGATIVE ION MODE | alpha-ketobutyrate | -0.200471313 | log transformed data | Female | 0 | Black | Non-Hispanic | 0 | during COVID-19 |
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