| eGFR | Estimated glomerular filtration rate |
| mGFR | Measured estimated glomerular filtration rate |
| eGFRcr | Estimated glomerular filtration rate creatinine |
| eGFRcysC | Estimated glomerular filtration rate, cystatin C |
| eGFRcr-cysC | Estimated glomerular filtration rate, creatinine–cystatin C |
| CKD | Chronic kidney disease |
| GFR | Glomerular filtration rate |
| AKI | acute kidney injury |
| UTI | Urinary tract infections |
| SEM | Standard error of the mean |
| KDIGO | Kidney Disease: Improving Global Outcomes |
| Scr | Serum creatinine |
| IDMS | Isotope dilution mass spectrometry |
| ScysC | Serum cystatin C |
| PENIA | Particle-enhanced immunonephelometric assay |
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