Retrospective Cohort Study
Copyright ©The Author(s) 2024.
World J Gastroenterol. May 28, 2024; 30(20): 2657-2676
Published online May 28, 2024. doi: 10.3748/wjg.v30.i20.2657
Table 1 Baseline characteristics of patients with Acute-on-chronic liver failure in different cohorts
Baseline characteristicsMIMIC cohort
External validation cohorts
Derivation set (n = 938)
Validation set (n = 313)
eICU (n = 551)
SHHMU (n = 121)
Age (yr)59 (52-68)56 (53-66)57 (50-64)58 ± 13
Male, n (%)617 (65.8)202 (64.5)334 (60.6)81 (66.9)
Race, n (%)
White613 (65.4)a209 (66.8)448 (81.3)Eastern Asian
Non white325 (34.6)a104 (33.2)103 (18.7)Eastern Asian
Etiology of cirrhosis, n (%)
Alcohol524 (55.9)b180 (57.5)376 (68.2)43 (35.5)
Non-alcohol414 (44.1)b133 (42.5)175 (31.8)78 (64.5)
AD at admission, n (%)
Ascites520 (55.4)a,b173 (55.3)169 (30.7)32 (26.4)
Hepatic encephalopathy390 (41.6)b136 (43.5)156 (28.3)31 (25.6)
Bacterial infection422 (45.0)b152 (48.6)216 (39.2)16 (13.2)
Acute variceal bleeding75 (8.0)a,b34 (10.9)127 (23.0)42 (34.7)
Laboratory indicators
WBC (109/L)12 (8-18)b13 (9-18)10 (6-14)6 (5-11)
Hemoglobin85 (73-100)b83 (72-98)88 (75-103)92 (77-107)
Platelet (109/L)81 (50-135)72 (49-120)78 (49-126)75 (48-116)
Total bilirubin (mg/dL)4.1 (1.6-11.7)4.9 (1.8-12.3)4.0 (1.5-12.9)6.2 (1.6-17.5)
Albumin (g/dL)2.9 (2.4-3.3)2.9 (2.4-3.4)2.8 (2.2-3.3)2.9 ± 0.6
ALT (U/L)39 (22-98)b39 (23-101)36 (21-97)34 (16-64)
AST (U/L)83 (44-216)b94 (47-266)91 (43-253)62 (35-138)
INR2.1 (1.6-2.8)a,b2.0 (1.6-2.7)1.7 (1.4-2.4)1.7 (1.2-2.6)
Prothrombin time (s)22 (17-30)b22 (17-29)21 (16-28)19 (14-29)
Serum creatinine (mg/dL)2.1 (1.3-3.4)2.0 (1.2-3.2)2.0 (1.1-3.2)2.1 (1.1-3.0)
Serum sodium (mEq/L)135 (131-139)135 (131-139)137 (133-142)134 ± 7
Serum potassium (mEq/L)4.6 (4.1-5.3)a,b4.6 (4.2-5.4)4.0 (3.6-4.6)4.2 (3.7-4.7)
Organ failure, n (%)
Circulatory failure382 (40.7)a,b148 (47.3)305 (55.4)18 (14.9)
Respiratory failure427 (45.5)a,b156 (49.8)162 (29.4)22 (18.2)
Cerebral failure129 (13.8)a,b46 (14.7)223 (40.5)38 (31.4)
Renal failure658 (70.1)a,b201 (64.2)280 (50.8)75 (62.0)
Coagulation failure332 (35.4)b106 (33.9)131 (23.8)37 (30.6)
Liver failure233 (24.8)a,b82 (26.2)273 (49.5)54 (44.6)
Prognostic scores at admission
MELD28 (22-34)a,b27 (21-34)25 ± 1025 (18-31)
MELD-Na31 (23-40)b31 (22-40)27 (19-35)30 (21-38)
CLIF-C ACLF58 (51-64)b58 (52-64)50 (45-57)47 (42-54)
Liver transplantation, n (%)44 (4.7)11 (3.5)24 (4.4)2 (1.7)
ACLF grade, n (%)
Grade 1266 (28.4)a86 (27.5)263 (46.3)30 (33.1)
Grade 2317 (33.8)105 (33.5)177 (31.1)50 (41.3)
Grade 3355 (37.8)a122 (39.0)128 (22.6)41 (33.9)
28-day mortality, n (%)376 (40.1)122 (39.0)--46 (38.0)
90-day mortality, n (%)465 (49.6)144 (46.0)--59 (48.7)
In-ICU mortality, n (%)----112 (20.3)--
In-hospital mortality, n (%)----179 (32.4)--