Table 3.
Comparisons of incidences of K. pneumoniae liver abscess, invasive K. pneumoniae liver abscess syndrome and mortality between aspirin users and non-users in unmatched cohort and propensity-score matched (PSM) cohort.
| Unmatched cohort (n = 95,627) | PSM cohort (n = 63,500) | |||||
|---|---|---|---|---|---|---|
| Aspirin users (n = 43,247) n (%) | Non-users (n = 52,380) n (%) | p value | Aspirin users (n = 31,750) n (%) | Non-users (n=31,750) n (%) | p value | |
| K. pneumoniae liver abscess | 124 (0.29) | 298 (0.57) | < 0.01 | 98 (0.31) | 159 (0.50) | < 0.01 |
| Invasive K. pneumoniae liver abscess syndrome | 5 (0.01) | 13 (0.02) | 0.14 | 5 (0.02) | 9 (0.03) | 0.29 |
| Extrahepatic complications | ||||||
| Endophthalmitis | 5 (0.01) | 2 (0.00) | 5 (0.02) | 0 (0.00) | ||
| Brain abscess | 0 (0.00) | 1 (0.00) | 0 (0.00) | 1 (0.00) | ||
| Bacterial meningitis | 0 (0.00) | 4 (0.01) | 0 (0.00) | 3 (0.01) | ||
| Lung abscess | 0 (0.00) | 5 (0.01) | 0 (0.00) | 4 (0.01) | ||
| Abscess of the prostate | 0 (0.00) | 1 (0.00) | 0 (0.00) | 1 (0.00) | ||
| In-hospital mortality | 3976 (9.19) | 4932 (9.42) | 0.24 | 2804 (8.83) | 2426 (7.64) | < 0.01 |