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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.