Table 1.
Results summary: Overall results including patient demographics, 30-, 90-day, and 1-year mortality for each treatment group
| Overall | Conservative (%) | Cholecystectomy (%) | Cholecystostomy (%) | p Value | |
|---|---|---|---|---|---|
| Patient number | 47,500 | 42,620 (89.7) | 3539 (7.5) | 1341 (2.8) | |
| Age [median (range)] | 85 (80–100) | 85 (80–100) | 83 (80–100) | 85 (80–100) | < 0.001 |
| Gender | 0.640 | ||||
| Male | 29,952 (63.1) | 26,905 (63.1) | 2210 (62.4) | 837 (62.4) | |
| Female | 17,548 (36.9) | 15,715 (36.9) | 1329 (37.6) | 504 (37.6) | |
| Charlson | < 0.001 | ||||
| < 2 | 39,621 (83.4) | 35,408 (83.1) | 3097 (87.5) | 1116 (83.2) | |
| ≥ 2 | 7879 (16.6) | 7212 (16.9) | 442 (12.5) | 225 (16.8) | |
| Year | < 0.001 | ||||
| 1997–2004 | 19,062 (40.1) | 16,824 (39.5) | 1789 (50.6) | 449 (33.5) | |
| 2005–2012 | 28,438 (59.9) | 25,796 (60.5) | 1750 (49.4) | 892 (66.5) | |
| 30-day mortality | 4829 (10.2) | 4240 (9.9) | 409 (11.6) | 180 (13.4) | < 0.001 |
| 90-day mortality | 7730 (16.3) | 6876 (16.1) | 552 (15.6) | 302 (22.5) | < 0.001 |
| 1-year mortality | 12,768 (26.9) | 11,563 (27.1) | 736 (20.8) | 469 (35.0) | < 0.001 |