Open Access

Table 1

Clinical characteristics of cases with pyogenic liver abscess and sex- and age-matched controls.

Cases N = 881
Controls N = 3207
Variable n (%) n (%) P value*
Sex 0.75
     Female 301 (34.2) 1077 (33.6)
     Male 580 (65.8) 2130 (66.4)
Age group (years) 0.98
     20-39 81 (9.2) 291 (9.1)
     40-64 460 (52.2) 1688 (52.6)
     65-84 340 (38.6) 1228 (38.3)
Age (years), mean ± standard deviation 59.7 ± 14.1 59.5 ± 14.0 0.72
Oral corticosteroid use 0.002
Never used 539 (61.2) 2121 (66.1)
     Current use 177 (20.1) 473 (14.8)
     Recent use 63 (7.1) 235 (7.3)
     Past use 102 (11.6) 378 (11.8)
Ever used other forms of corticosteroids 344 (39.1) 1314 (41.0) 0.30
Comorbidities
     Alcohol-related diseases 65 (7.38) 169 (5.27) 0.02
     Biliary stones 113 (12.8) 276 (8.61) <0.001
     Chronic kidney diseases 56 (6.36) 138 (4.30) 0.01
     Chronic liver diseases 235 (26.7) 774 (24.1) 0.12
     Diabetes mellitus 252 (28.6) 816 (25.4) 0.06

Data are presented as the number of subjects in each group with percentages given in parentheses.

*

Chi-square test, and

t-test comparing subjects with and without pyogenic liver abscess.