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Table 1 Demographic data, etiologies, comorbidities and surgery history

From: Comparison of clinical characteristics and outcomes of pyogenic liver abscess patients < 65 years of age versus ≥ 65 years of age

 

Total

N = 332

Under 65

N = 250

Over 65

N = 82

P value

Age (years; median, range)

57(18–89)

53(18–60)

72(65–89)

 

Gender (Male/Female)

187/145

148/102

39/43

0.065

Etiologies (n, %)

 Biliary source

107(32.2%)

71(28.4%)

36(43.9%)

0.009

 Portal vein seeding, bowel and/or pelvic pathology

29(8.7%)

24(9.6%)

5(6.1%)

0.330

 Hepatic artery seeding

19(5.7%)

16(6.4%)

3(3.7%)

0.513

 Direct extension

39(11.7%)

25(10.0%)

14(17.1%)

0.084

 Trauma to the liver

12(3.6%)

10(4.0%)

2(2.4%)

0.752

 Cryptogenic infection

126(38.0%)

104(41.6%)

22(26.8%)

0.017

Comorbidities (n, %)

 Smoking

90(27.1%)

77(30.8%)

13(15.9%)

0.008

 Drinking

56(16.9%)

46(18.4%)

10(12.2%)

0.193

 Hypertension

69(20.8%)

36(14.4%)

33(40.2%)

< 0.001

 Diabetes mellitus

106(31.9%)

72(28.8%)

34(41.5%)

0.033

 Hepatobiliary malignant diseases

40(12.1%)

32(12.8%)

8(9.8%)

0.462

 Cholelithiasis

123(37.1%)

82(32.8%)

41(50.0%)

0.005

 Cirrhosis

14(4.2%)

11(4.4%)

3(3.7%)

1

 Viral hepatitis

23(6.9%)

19(7.6%)

4(4.9%)

0.400

 Coronary artery disease

15(4.5%)

5(2.0%)

10(12.2%)

< 0.001

Surgery history

 Abdominal surgery history

155(46.7%)

115(46.0%)

40(48.8%)

0.661

  Hepatobiliary surgery

129(38.9%)

94(37.6%)

35(42.7%)

0.413

  Other surgery

26(7.8%)

21(8.4%)

5(6.1%)

0.501

 No surgery

177(53.3%)

135(54.0%)

42(51.2%)

0.661