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Table 1 Baseline, clinical and laboratory parameters

From: ICG-liver test versus new biomarkers as prognostic markers for prolonged length of stay in critically ill patients - a prospective study of accuracy for prediction of length of stay in the ICU

Parameter ICU stay > 3 days ICU stay ≤ 3 days P
(n = 25) (n = 81)
Age (years) 64 (61 to 70) 65 (48 to 73) 0.89
ICG-PDR (%/minute) 17 (12 to 24) 22.5 (17 to 29) 0.03
Bilirubin (μmol/l) 15 (9 to 31) 9 (6 to 15) 0.003
AST (U/l) 84 (35 to 439) 36 (23 to 90) 0.02
ALT(U/l) 57 (23 to 403) 29 (16 to 70) 0.05
AP (U/l) 63 (46 to 132) 52 (41 to 75) 0.26
Quick (%) 86 (46 to 106) 89 (63 to 105) 0.50
Hemoglobin (g/dl) 9 (8 to 13) 10 (9 to 12) 0.79
WBC (g/l) 10 (9 to 12) 10 (7 to 14) 0.82
aPTT (seconds) 33 (29 to 40) 29 (25 to 33) 0.05
dDimer (mg/l) 3 (2 to 5) 2 (1 to 3) 0.02
Cystatin C (mg/l) 1 (1 to 1) 1 (1 to 1) 0.72
CRP (mg/l) 31 (5 to 81) 15 (5 to 70) 0.87
PCT (μg/l) 1 (1 to 2) 2 (1 to 4) 0.41
IL-6 (ng/l) 403 (190 to 853) 177 (55 to 314) 0.005
NT-proBNP (ng/l) 745 (111 to 1875) 245 (68 to 957) 0.09
MR-proANP (pmol/l) 268 (119 to 342) 140 (94 to 214) 0.03
Pro-ADM (nmol/l) 2 (1 to 3) 1 (1 to 2) 0.03
Copeptin (pmol/l) 96 (20 to 171) 94 (28 to 230) 0.67
SAPS II (points) 31 (26 to 43) 24 (18 to 30) 0.01
  1. Data presented as median (IQR). AP, alkaline phosphatase; aPTT, activated partial thromboplastin time; ALT, alanine aminotransferase; AST, aspartate aminotransferase; CRP, C-reactive protein; ICG-PDR, indocyanine green plasma disappearance rate; IL, interleukin; MR-proANP, pro-atrial natriuretic peptide; NT-proBNP, B-type natriuretic peptide; PCT, procalcitonin; Pro-ADM, proadrenomedullin; SAPS II, Simplified Acute Physiology Score; WBC, white blood cells. Quick, prothrombin time.