Table 1. Patients’ characteristics.

Variable	SBP
	Negative			Positive
	Mean ± SD	Range	Median	Mean ± SD	Range	Median
Age, y	54.5 ± 8.6	29–81	56	58.9 ± 8.3	33–70	60
Bilirubin, mg/dL	2.8 ± 2.7	0.5–26	2	5.1 ± 4.7	0.5–26	2
Albumin, g/dL	2.7 ± 0.5	1.2–4.1	3	2.6 ± 0.5	1.3–3.5	3
INR	1.8 ± 0.5	1.1–6.2	1.7	2.2 ± 0.8	1.3–5.9	2
MELD	18.7 ± 6.7	7–46	17	25.1 ± 7	12–49	23
Creatinine, mg/dL	1.5 ± 0.9	0.5–6.1	1	2.1 ± 1.7	0.5–8.9	2
TLC, mL	8,167.7 ± 3,858	580–28,400	7,500	10,005.1 ± 5,350.7	3,700–35,000	8900
Platelet, mL	113,257.3 ± 46,652.4	20,000–303,000	110,000	73,678 ± 31,110.7	21,000–174,000	67,000
CRP, mg/L	12.6 ± 6.6	5–44	11	29.1 ± 13.6	8–64	27
ALT, U/L	53.8 ± 153.6	10–2,004	33	85.4 ± 105.9	13–611	46
AST, U/L	62.5 ± 104.7	16–1,390	42	153.7 ± 242.7	24–1,374	79

Abbreviations: ALT, alanine transaminase; AST, aspartate transaminase; CRP, C-reactive protein; INR, international normalized ratio; MELD, model for end-stage liver disease; SBP, spontaneous bacterial peritonitis; SD, standard deviation; TLC, total leukocytic count.