Table 3. Adjusted hazard ratio and 95% confidence interval of pyogenic liver abscess associated with splenectomy and other comorbidities.
| Variable | Crude | Adjusteda | ||
| HR | (95% CI) | HR | (95% CI) | |
| Age, per year | 1.02 | (1.02–1.03) | 1.03 | (1.02–1.03) |
| Baseline comorbidities before index date, yes vs no | ||||
| Splenectomy | 3.60 | (2.97–4.37) | 3.89 | (3.20–4.72) |
| Alcoholism | 2.68 | (1.82–3.96) | 1.77 | (1.17–2.67) |
| Biliary stone | 3.80 | (2.96–4.87) | 2.19 | (1.69–2.84) |
| Chronic kidney disease | 3.14 | (1.93–5.10) | 1.93 | (1.18–3.15) |
| Chronic liver diseases | 3.35 | (2.86–4.06) | 2.50 | (2.02–3.09) |
| Diabetes mellitus | 3.00 | (2.38–3.77) | 1.74 | (1.37–2.22) |
aAdjusted for age, alcoholism, biliary stone, chronic kidney disease, chronic liver diseases and diabetes mellitus.