(b).
| Cholecystostomy group (N = 71) | Acute cholecystectomy group (N = 736) | Odds ratio (univariate analysis) | Odds ratio (multivariate analysis) | |
|---|---|---|---|---|
| Complication rate (Clavien-Dindo ≥2) | 2 (2.8%) | 126 (17.1%) | 7.1 (1.7–29.4) | 15.1 (3.4–66.8) |
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