| Characteristic | Median or n | IQR or % |
|---|---|---|
| ICU patients with carnitine data | 88 | |
| Age (years) | 68 | 55-80 |
| Sex (M:F) | 44:44 | |
| BMI | 23.3 | 19.5-25.8 |
| Diagnosis | ||
| Sepsis | 42 | 47.7 |
| Trauma | 12 | 13.6 |
| Stroke | 10 | 11.4 |
| Cardiovascular disease | 7 | 8 |
| Acute hepatitis, liver failure | 3 | 3.4 |
| Others | 14 | 15.9 |
| APACHE Ⅱ score | 28 | 24-33 |
| SOFA score | 8.5 | 5-11.1 |
| NUTRIC score | 6 | 5-7 |
| ICU* stay duration (days) | 11 | 6-18.1 |
| Survival to discharge | 66 | 75% |
| ICU patients with carnitine data who underwent CRRT | 44 | |
| Reason for initiating CRRT | ||
| AKI | 32 | 72.7 |
| CKD | 3 | 6.8 |
| Sepsis | 4 | 9.1 |
| Metabolic acidosis | 2 | 4.5 |
| Hyperkalemia | 1 | 2.3 |
| Congestive heart failure | 2 | 4.5 |
| Dialysis membrane | ||
| AN69ST | 35 | 79.6 |
| PMMA | 2 | 4.5 |
| PS | 7 | 15.9 |
