Table 1 Perioperative characteristics of patients between the training set and validation set
Characteristic | Training set (n = 293) | Validation set (n = 106) | p-value |
|---|---|---|---|
Demographic data | |||
 Age (years) | 52 (46-59) | 51 (44-58) | 0.27 |
 Gender (N,%) |  |  | 0.65 |
  Female | 52 (17.7%) | 16 (15.1%) |  |
  Male | 241 (82.3%) | 90 (84.9%) |  |
 BMI (Kg/m2) | 24.22 (22.32-26.40) | 23.69 (21.11-26.61) | 0.40 |
 MAP (mmHg) | 92 (85-98) | 91 (84-97) | 0.96 |
 Personal history | |||
  Smoking (N,%) | 125 (42.7%) | 53 (50.0%) | 0.21 |
  Alcoholism (N,%) | 140 (47.8%) | 52 (49.1%) | 0.82 |
Pathogenesis of liver disease | |||
 HBV hepatitis (N,%) | 229 (78.2%) | 82 (77.4%) | 0.89 |
 Alcoholic liver cirrhosis (N,%) | 21 (7.2%) | 8 (7.5%) | 1.00 |
 Hepatocellular carcinoma (N,%) | 139 (47.4%) | 57 (53.8%) | 0.31 |
 Cholestatic disease (N,%) | 19 (6.5%) | 4 (3.8%) | 0.47 |
 Liver complications | |||
  Encephalopathy (N,%) | 44 (15.0%) | 11 (10.4%) | 0.26 |
  Ascites> 1 L (N,%) | 25 (23.6%) | 71 (24.2%) | 1.00 |
Baseline medical status | |||
 Diabetes mellitus (N,%) | 55 (18.8%) | 21 (19.8%) | 0.89 |
 Hypertension (N,%) | 38 (13.0%) | 12 (11.3%) | 0.73 |
 Coronary heart disease (N,%) | 8 (2.7%) | 5 (4.7%) | 0.34 |
 Abdominal surgery history (N,%) | 29 (27.4%) | 62 (21.2%) | 0.22 |
 Preoperative LVEF (%) | 63 (61, 65) | 62 (60, 64) | 0.10 |
 Preoperative nonselective β receptor blockers (N,%) | 24 (8.2%) | 7 (6.6%) | 0.68 |
 Preoperative diuretics (N,%) | 110 (37.5%) | 30 (28.3%) | 0.10 |
Preoperative scores | |||
 MELD score | 12.94 (9.50-18.87) | 12.59 (9.50-17.00) | 0.31 |
 Child-Pugh score | 10 (8-14) | 9 (8-11) | 0.14 |
Preoperative parameters | |||
 White blood cell (×  109/L) | 3.39 (2.28-4.91) | 3.61 (2.26-5.33) | 0.53 |
 Neutrophils (× 109/L) | 2.28 (1.46-3.51) | 2.43 (1.58-3.62) | 0.57 |
 Lymphocyte (× 109/L) | 0.67 (0.40-1.03) | 0.65 (0.47, 1.11) | 0.44 |
 Red blood cell (×  1012/L) | 2.97 (2.48-3.56) | 3.01 (2.56-3.66) | 0.57 |
 Hemoglobin (g/L) | 91 (76-111) | 92 (78-112) | 0.63 |
 Platelet (× 109/L) | 65 (40-105) | 67 (41-109) | 0.94 |
 Total protein (g/L) | 59.00 (55.00-62.93) | 59.62 (54.21-64.80) | 0.56 |
 Albumin (g/L) | 35.32 (32.57-39.40) | 36.20 (32.20-39.02) | 0.97 |
 TBIL (μmol/L) | 35.91 (21.70-105.80) | 37.27 (20.66-77.07) | 0.33 |
 DBIL (μmol/L) | 16.00 (9.29-51.61) | 14.40 (9.03-32.81) | 0.40 |
 IBIL (μmol/L) | 18.88 (11.80-52.62) | 18.54 (11.10-38.70) | 0.31 |
 ALT (U/L) | 26.00 (17.00-49.00) | 27.50 (18.00-53.00) | 0.39 |
 AST (U/L) | 38.00 (25.00-66.00) | 36.50 (26.00-68.00) | 0.76 |
 LDH (U/L) | 159.00 (133.00-193.00) | 158.00 (139.00-202.00) | 0.53 |
 BUN (mmol/L) | 4.36 (3.56-5.44) | 4.22 (3.41-5.73) | 0.45 |
 sCr (μmol/L) | 60.00 (48.00-74.00) | 65.00 (54.00-78.00) | 0.01 |
 UA (μmol/L) | 231.00 (179.00-293.00) | 247.00 (176.00-314.00) | 0.29 |
 eGFR (mL/min/1.73 m2) | 126.44 (99.21-160.67) | 111.75 (94.99, 142.60) | 0.02 |
Postoperative parameters | |||
 Peak AST (U/L) | 1239 (636-2325) | 991 (679-1774) | 0.27 |
 Postoperative RRT (N,%) | 5 (4.7%) | 16 (5.5%) | 1.00 |
 Postoperative hospital stay (day) | 24 (20, 29) | 25 (21, 32) | 0.12 |
 Length of ICU stay (day) | 4 (3-5) | 4 (3-5) | 0.59 |
 AKI | 71 (67.0%) | 213 (72.7%) | 0.26 |
 CKD | 78 (26.6%) | 29 (27.4%) | 0.90 |