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Table 1 Demographic, clinical, and laboratory data of the studied groups

From: A novel serum index for accurate diagnosis of spontaneous bacterial peritonitis in cirrhotic patients without other infections

 

Sterile ascites n = 118

SBP n = 60

P

Age (mean ± SD, years)

57.3 ± 7.3

57.6 ± 6.8

0.824

Male sex

55 (46.6%)

38 (63.3%)

0.073

Hypertension

12 (10.2%)

9 (15.0%)

0.345

Diabetes mellitus

18 (15.3%)

11 (18.3%)

0.599

Cause of liver disease

0.727**

 - HCV infection

94 (79.7%)

51 (85.5%)

 - HBV infection

20 (16.9%)

8 (13.3%)

 - Other causes

4 (3.4%)

1 (1.7%)

Serum albumin (mean ± SD, g/dL)

2.53 ± 0.18

2.49 ± 0.21

0.178

Serum Total bilirubin (median/IQR, mg/dL)

2.11/0.91–3.29

2.00/1.50–3.42

0.167*

INR (mean ± SD)

1.47 ± 0.20

1.53 ± 0.28

0.095

ALT (median/IQR, IU/L)

27/18–38

34/15–44

0.387*

AST (median/IQR, IU/L)

48/36–60

47/29–74

0.892*

Serum creatinine (median/IQR, mg/dL)

1.00/1.00–1.00

1.00/1.00–1.75

0.158*

Serum LDH (mean ± SD, IU/L)

214 ± 54

226 ± 51

0.126

Blood TLC (median/IQR, × 103/mm3)

6.10/4.00–8.00

7.00/4.43–8.90

0.158*

Hemoglobin (mean ± SD, g/dL)

10.07 ± 1.49

10.06 ± 1.33

0.952

Platelets count (median/IQR, × 103/mm3)

90/66–144

82/66–144

0.550*

ESR (median/IQR, mm/hour)

25/19–30

31/23–36

< 0.001*

CRP (median/IQR, mg/L)

20/11–25

27/24–29

< 0.001*

PCT (median/IQR, ng/mL)

0.259/0.159–0.350

0.691/0.604–1.690

< 0.001*

PEC index [PCT × (ESR + CRP)] (median/IQR)

9.89/5.93–15.00

41.04/31.18–92.99

< 0.001*

Ascitic fluid albumin (mean ± SD, g/dL)

0.837 ± 0.148

0.875 ± 0.128

0.094

Ascitic fluid glucose (mean ± SD, g/dL)

112 ± 17

99 ± 12

< 0.001

Ascitic fluid LDH (mean ± SD, IU/L)

109 ± 18

157 ± 42

< 0.001

Ascitic fluid PMNL (median/IQR, cell/mm3)

200/170–207

3334/274–641

< 0.001*

Ascitic fluid PMNL ≥ 250/mm3

0 (0.0%)

60 (100.0%)

< 0.001

Positive ascitic fluid bacterial culture

0 (0.0%)

25 (41.7%)

< 0.001

  1. SD standard deviation, IQR interquartile range, HCV hepatitis C virus, HBV hepatitis B virus, INR international normalized ratio, ALT alanine aminotransferase, AST aspartate aminotransferase, IU international unit, LDH lactate dehydrogenase, TLC total leukocytic count, ESR erythrocyte sedimentation rate, CRP C-reactive protein, PCT procalcitonin, PMNL polymorphonuclear leukocytes
  2. *Mann–Whitney U test, ** Fisher’s exact test