Evaluation of leukocyte esterase and nitrite strip tests to detect spontaneous bacterial peritonitis in cirrhotic patients

Table 1 General characteristics of the study participants

Characteristics	Study patients (n = 63)
Male gender, n (%)	38 (60.3)
Age (yr)	59 ± 11.6
Child–Pugh classification, n (%)
B	25 (39.7)
C	38 (60.3)
Etiology of cirrhosis, n (%)
Chronic B hepatitis	19 (30.1)
Chronic C hepatitis	11 (17.5)
Alcohol abuse	7 (11.1)
Other causes	26 (41.3)

Table 2 Results of urine strip test, culture, and ascitic fluid PMN count in 15 patients with SBP

Casenumber	Reagentstrip test		Culture	PMNcount (/mm3)
	Leukocyte esterase	Nitrite
1	1+	0	Negative	490
2	4+	0	Escherichia coli	3860
3	2+	0	Negative	510
4	3+	0	Negative	802
5	3+	0	Negative	311
6	4+	0	Escherichia coli	7130
7	4+	1+	Klebsiellapneumoniae	16700
8	2+	0	Staphylococcuswarneri	280
9	4+	0	Streptococus bovis	3810
10	3+	0	Negative	9100
11	3+	0	Negative	6120
12	3+	0	Negative	2460
13	4+	0	Negative	5330
14	3+	0	Negative	3790
15	2+	2+	Klebsiella pneumoniae plus Escherichia coli	270