TABLE 1.
N valid | N (%) | S3 | S6 | S12 | p‐value | Unadjusted HR | 95% CI | |
---|---|---|---|---|---|---|---|---|
All patients | 3016 (100) | 0.79 | 0.71 | 0.63 | ||||
Type of gallstone disease | 3016 | |||||||
Acute cholangitis | 379 (12.6) | 0.85 | 0.79 | 0.71 | <0.001 | 1 | ||
Acute pancreatitis | 941 (31.2) | 0.77 | 0.68 | 0.59 | 1.55 | 1.24–1.92 | ||
Acute cholecystitis | 831 (27.6) | 0.79 | 0.71 | 0.62 | 1.38 | 1.10–1.72 | ||
Symptomatic choledocholithiasis | 302 (10.0) | 0.79 | 0.75 | 0.69 | 1.19 | 0.89–1.58 | ||
Biliary colic | 314 (10.4) | 0.75 | 0.64 | 0.53 | 1.70 | 1.31–2.21 | ||
Any combination | 249 (8.3) | 0.81 | 0.74 | 0.70 | 1.26 | 0.94–1.68 | ||
Age (years) | 3016 | 74.6 [59.7–84.1] | ||||||
≤54 | 557 (18.5) | 0.68 | 0.60 | 0.46 | <0.001 | 1 | ||
>54 | 2459 (81.5) | 0.81 | 0.74 | 0.66 | 0.53 | 0.46–0.62 | ||
Gender | 3016 | |||||||
Women | 1538 (51.0) | 0.78 | 0.71 | 0.61 | 0.102 | 1 | ||
Men | 1478 (49.0) | 0.80 | 0.72 | 0.64 | 0.90 | 0.80–1.02 | ||
Charlson comorbidity index | 3014 | 1 [0–2] | ||||||
Low (0–1) | 1825 (60.5) | 0.77 | 0.70 | 0.62 | 0.021 | 1 | ||
Medium comorbidity 2 | 515 (17.1) | 0.81 | 0.72 | 0.59 | 0.97 | 0.83–1.15 | ||
High comorbidity 3 | 676 (22.4) | 0.82 | 0.74 | 0.68 | 0.80 | 0.69–0.94 | ||
Diabetes | 3014 | |||||||
No | 2336 (77.5) | 0.79 | 0.71 | 0.63 | 0.680 | 1 | ||
Without complications | 589 (19.5) | 0.78 | 0.70 | 0.62 | 1.00 | 0.89–1.21 | ||
With complications | 91 (3.0) | 0.83 | 0.76 | 0.63 | 0.88 | 0.61–1.27 | ||
Chronic renal disease | 3014 | |||||||
No | 2684 (89.0) | 0.78 | 0.70 | 0.62 | 0.003 | 1 | ||
Yes | 332 (11.0) | 0.86 | 0.80 | 0.71 | 0.67 | 0.54–0.83 | ||
Acute renal dysfunction | 3014 | |||||||
No | 2821 (93.5) | 0.79 | 0.71 | 0.63 | 0.325 | 1 | ||
Yes | 193 (6.4) | 0.82 | 0.76 | 0.65 | 0.88 | 0.68–1.14 | ||
Acute respiratory dysfunction | 3015 | |||||||
No | 2959 (98.1) | 0.79 | 0.71 | 0.63 | 0.264 | 1 | ||
Yes | 56 (1.9) | 0.78 | 0.73 | 0.59 | 1.26 | 0.84–1.89 | ||
Acute cardiovascular dysfunction | 3016 | |||||||
No | 2946 (97.7) | 0.79 | 0.71 | 0.63 | 0.833 | 1 | ||
Yes | 70 (2.3) | 0.77 | 0.75 | 0.65 | 0.96 | 0.64–1.44 | ||
ICU admission | 3014 | |||||||
No | 2961 (98.2) | 0.79 | 0.71 | 0.63 | 0.888 | 1 | ||
Yes | 53 (1.8) | 0.75 | 0.71 | 0.62 | 1.03 | 0.66–1.63 | ||
Biliary tract | 3012 | |||||||
Not dilated | 1973 (65.4) | 0.77 | 0.69 | 0.59 | <0.001 | 1 | ||
Dilated | 1039 (34.6) | 0.82 | 0.76 | 0.69 | 0.76 | 0.66–0.87 | ||
Cholelithiasis | 3015 | |||||||
Single cholelithiasis | 1504 (49.9) | 0.80 | 0.74 | 0.66 | <0.001 | 1 | ||
Multiple cholelithiasis | 1511 (50.1) | 0.77 | 0.69 | 0.60 | 1.19 | 1.05–1.34 | ||
Duodenal diverticula a | 2144 | |||||||
No | 1922 (89.6) | 0.80 | 0.73 | 0.65 | 0.550 | 1 | ||
Yes | 222 (10.4) | 0.82 | 0.75 | 0.68 | 0.92 | 0.73–1.18 | ||
Pancreas divisum a | 2138 | |||||||
No | 2107 (98.6) | 0.80 | 0.73 | 0.65 | 0.970 | 1 | ||
Yes | 31 (1.4) | 0.90 | 0.82 | 0.69 | 1.01 | 0.56–1.84 | ||
Sphincterotomy | 3016 | |||||||
No | 2237 (74.2) | 0.77 | 0.68 | 0.59 | <0.001 | 1 | ||
Yes | 779 (25.8) | 0.85 | 0.79 | 0.74 | 0.60 | 0.51–0.70 | ||
Cholecystostomy | 3013 | |||||||
No | 2770 (91.9) | 0.79 | 0.71 | 0.63 | 0.080 | 1 | ||
Yes | 243 (8.1) | 0.80 | 0.71 | 0.63 | 0.97 | 0.77–1.22 | ||
Median follow‐up time (months) | 5.3 [2.1–12.4] |
Note: N = 3016. Data presented as: n (%); median [25th percentile–75th percentile].
Abbreviations: CI, Confidence Interval; HR, Hazard Ratio; ICU, Intensive care unit.
Duodenal diverticula and pancreas divisum were considered only when computed axial tomography, magnetic resonance imaging, endoscopic ultrasound, or ERCP was performed.