| BMI | body mass index |
| CI | confidence interval |
| CV | coefficient of variation |
| eGFR | estimated glomerular filtration rate |
| ICD | International Classification of Diseases-Oncology |
| NF-kB | nuclear factor kappa-light-chain-enhancer of activated B cells or uclear factor kappa B |
| LC-MS/MS | liquid chromatography-tandem mass spectrometry |
| OR | odds ratio |
| PLP | pyridoxal 5′-phosphate |
| ROS | reactive oxygen species |
| SCH | Shanghai Cohort Study |
| SD | standard deviation |