Table 1. Baseline information between splenectomy group and non-splenectomy group.
| Variable | Splenectomy n = 17 779 |
Non-splenectomy n = 70 855 |
P valuea | ||
| n | (%) | n | (%) | ||
| Sex | 0.99 | ||||
| Male | 11 097 | (62.4) | 44 219 | (62.4) | |
| Female | 6682 | (37.6) | 26 636 | (37.6) | |
| Age group, years | 0.99 | ||||
| 20–39 | 7512 | (42.3) | 29 884 | (42.2) | |
| 40–64 | 4813 | (27.1) | 19 180 | (27.1) | |
| 65–84 | 5454 | (30.7) | 21 791 | (30.8) | |
| Baseline comorbidities before index date | |||||
| Alcoholism | 541 | (3.04) | 2058 | (2.90) | 0.33 |
| Biliary stone | 1120 | (6.30) | 4347 | (6.14) | 0.42 |
| Chronic kidney disease | 351 | (1.97) | 1310 | (1.85) | 0.27 |
| Chronic liver diseases | 3732 | (21.0) | 14 672 | (20.7) | 0.40 |
| Diabetes mellitus | 1967 | (11.1) | 7741 | (10.9) | 0.60 |
Data are presented as the number of subjects in each group, with percentages given in parentheses.
aChi-square test comparing subjects with and without splenectomy.