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Volume 14, Number 10—October 2008

Research

Pyogenic Liver Abscess as Endemic Disease, Taiwan

Feng-Chiao Tsai, Yu-Tsung Huang, Luan-Yin Chang, and Jin-Town WangComments to Author 
Author affiliations: National Taiwan University Hospital, Taipei, Taiwan; National Taiwan University, College of Medicine, Taipei;

Main Article

Table 1

Demographic data from National Health Insurance database, Taiwan, 1996–2004

Item Female Male Total p value*
Sex, no. (%) 11,377 (38.3) 18,326 (61.7) 29,703 (100)
Age: range (median), y 0–106 (63.90) 0–101 (58.98) 0–106 (61.00) <0.001†
Age: mean (SD), y 62.13 (14.87) 57.58 (16.03) 59.32 (15.75) <0.001‡
Hospitalization: mean (SD), d
18.00 (13.80)
16.91 (12.74)
17.33 (13.17)
<0.001‡
Diabetes mellitus, no. (%) 3,998 (35.1) 5,906 (32.2) 9,904 (33.3) <0.001§
Cirrhosis, no. (%) 854 (7.5) 2,225 (12.1) 3,079 (10.4) <0.001§
Renal disease, no. (%) 772 (6.8) 1,191 (6.5) 1,963 (6.6) 0.334§
Hypertension, no. (%) 1,491 (13.1) 1,866 (10.2) 3,357 (11.3) <0.001§
Heart disease, no. (%) 826 (7.3) 1,118 (6.1) 1,944 (6.5) <0.001§
Cerebrovascular accident, no. (%) 364 (3.2) 454 (2.5) 818 (2.8) <0.001§
Cholelithiasis, no. (%) 2,121 (18.6) 2,229 (12.2) 4,350 (14.6) <0.001§
Hepatobiliary malignancy, no. (%) 863 (7.6) 1,769 (9.7) 2,632 (8.9) <0.001§
Other malignancy, no. (%) 546 (4.8) 937 (5.1) 1,483 (5.0) 0.227§
Pneumonia, no. (%) 675 (5.9) 1,273 (6.9) 1,948 (6.6) 0.001§
Urinary tract infection, no. (%) 923 (8.1) 697 (3.8) 1,620 (5.5) <0.001§
Acute viral hepatitis, no. (%) 228 (2.0) 657 (3.6) 885 (3.0) <0.001§
Peptic ulcer, no. (%) 985 (8.7) 1,623 (8.9) 2,608 (8.8) 0.557§
Abscess drainage no. (%) 3,886 (34.2) 6,082 (33.2) 9,968 (33.6) 0.082§
Biliary procedure no. (%) 1,967 (17.3) 2,361 (12.9) 4,328 (14.6) <0.001§
Deaths, no. (%) 1,286 (11.3) 1,954 (10.7) 3,240 (10.9) 0.085§

*p<0.05 is considered statistically significant.
†Mann-Whitney U test.
‡Student t test.
§χ2 test.

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