Patient characteristics
| Patient characteristics | RYGB+AH | AH only |
| Number of patients (%) | 153 (5.8) | 2481 (94.2) |
| Median age at admission, years (range) | 47.5 (20.6, 77.0) | 47.5 (20.3, 90.7) |
| Female gender (%) | 127 (83.0) | 883 (35.6) |
| BMI, kg/m2 (range) | 31.3 (15.1, 65.5) | 25.7 (10.8, 63.9) |
| Race: | ||
| White (%) | 127 (85.2) | 2108 (89.0) |
| Black/African (%) | 19 (12.8) | 143 (6.0) |
| Native American/Alaskan (%) | 3 (2.0) | 93 (3.9) |
| Diabetes mellitus (%) | 2 (1.3) | 32 (1.3) |
| Hypertension (%) | 75 (49.0) | 1099 (44.3) |
| Coronary artery disease (%) | 1 (0.7) | 19 (0.8) |
| Hyperlipidemia (%) | 23 (15.0) | 443 (17.9) |
| Peripheral artery disease (%) | 1 (0.7) | 28 (1.1) |
| Median ICU length of stay, days (range) | 2.0 (0.0, 28.0) | 2.0 (0.0, 82.0) |
| Median overall length of stay, days (range) | 4.0 (1.0, 33.0) | 4.0 (1.0, 89.0) |
| Hepatic encephalopathy (%) | 20 (13.1) | 199 (8.0) |
| Ascites (%) | 100 (65.4) | 1570 (63.3) |
| Variceal haemorrhage (%) | 0 (0.0) | 25 (1.0) |
| Laboratory parameters – median (range) | ||
| Haemoglobin, g/dL | 11.7 (4.2, 16.7) | 13.7 (2.8, 20.9) |
| White blood cell count, 109 /L | 7.4 (1.0, 35.8) | 7.3 (0.0, 44 494.0) |
| Platelet count, 109 /L | 167.0 (27.0, 678.0) | 155.0 (2.0, 633.0) |
| Aspartate aminotransferase, U/L | 177.0 (22.0, 14 896.0) | 170.0 (8.0, 24 377.0) |
| Alanine aminotransferase, U/L | 82.5 (17.0, 4232.0) | 94.0 (7.0, 15 552.0) |
| Total bilirubin, mg/dL | 1.7 (0.2, 33.7) | 1.4 (0.1, 51.1) |
| Sodium, mMol/L | 135.0 (111.0, 149.0) | 136.0 (104.0, 155.0) |
| Creatinine, mg/dL | 0.7 (0.3, 13.0) | 0.8 (0.3, 16.2) |
| International normalised ratio, INR | 1.2 (0.8, 8.4) | 1.1 (0.8, 9.3) |
| Total protein, mg/dL | 7.0 (3.6, 10.0) | 7.5 (0.0, 10.8) |
| Albumin, g/dL | 3.2 (1.0, 10.0) | 3.7 (0.5, 12.0) |
| Phosphorus, mg/dL | 2.6 (0.5, 8.6) | 2.7 (0.2, 12.7) |
| Median Model for End Stage Liver Disease, MELD-Na (range) | 15.1 (6.4, 48.2) | 10.9 (6.4, 53.9) |
| MELD-Na>20, N (%) | 35 (32.1) | 317 (19.9) |
| Steroid use (%) | 10 (6.5) | 187 (7.5) |
| Endotracheal intubation (%) | 4 (2.6) | 166 (6.7) |
| Renal replacement therapy (%) | 11 (7.2) | 108 (4.4) |
BMI, body mass index; ICU, Intensive Care Unit; MELD-Na, Model for End Stage Liver Disease - Sodium
AH, alcohol-associated hepatitis; RYGB, Roux-en-Y gastric bypass.