Urine neutrophil gelatinase-associated lipocalin: a diagnostic and prognostic marker for acute kidney injury (AKI) in hospitalized cirrhotic patients with AKI-prone conditions

Table 3 Patient characteristics at baseline categorized by the uNGAL cut off level of 56 ng/mL

Variables	Total	uNGAL <56 ng/mL	uNGAL ≥56 ng/mL	P
% or mean ± SD	(n = 121)	(n = 71; 58.7 %)	(n = 50; 41.3 %)	P
Age (years)	57.3 ± 14.7	54.7 ± 13.8	61.0 ± 15.3	0.02*
% Male	75 (62 %)	46/71 (65 %)	29/50 (58 %)	0.45
Ascites	68 (56.2 %)	37/71 (52 %)	31/50 (62 %)	0.28
MELD score	14.9 ± 5.7	14.6 ± 6.2	15.4 ± 5.0	0.44
Serum creatinine	0.88 ± 0.29	0.82 ± 0.27	0.97 ± 0.32	0.006*
TB (mg/dl)	4.7 ± 5.1	4.3 ± 4.4	5.2 ± 6.2	0.34
DB (mg/dl)	3.4 ± 4.3	3.1 ± 3.4	3.9 ± 5.4	0.29
AST (U/L)	139.7 ± 250.3	148 ± 283	128 ± 196	0.66
ALT (U/L)	78.4 ± 174.5	74 ± 180	84 ± 168	0.76
ALP (U/L)	163.1 ± 108.1	155 ± 98	174 ± 121	0.35
INR	1.51 ± 0.77	1.4 ± 0.3	1.7 ± 1.1	0.12
Albumin (g/dl)	2.85 ± 0.86	2.8 ± 0.7	2.9 ± 1.0	0.75
Hemoglobin (g/dl)	10.7 ± 2.4	10.7 ± 2.5	10.7 ± 2.2	0.89
WBC count (10³/uL)	9.86 ± 6.2	9.9 ± 6.1	9.8 ± 6.3	0.94
Platelet (/10³uL)	128 ± 121	113 ± 66	146 ± 169	0.16
Presence of bacterial infection (%)	64/121 (52.8 %)	34/71 (48 %)	30/50 (60 %)	0.19
Length of stay (days)	9.9 ± 9.7	9.1 ± 9.6	11.0 ± 9.9	0.29
No AKI (%)	86/121 (71 %)	63/71 (89 %)	23/50 (46 %)	0.008*
Death (%)	17/121 (14 %)	5/71 (7 %)	12/50 (24 %)	<0.0001*

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