Table 2.
Demographic characteristics of patients
| Total 338 | |
|---|---|
| Age, mean (SD) | 64.5 (18.4) |
| Sex, n (%) | |
| Male | 156 (46.2%) |
| Female | 182 (53.8%) |
| BMI, mean (SD) | 28.5 (6.4) |
| Smoking, n (%) | |
| Smoker | 165 (48.8%) |
| Nonsmoker | 55 (16.3%) |
| Ex-smoker > 6 weeks | 118 (34.9%) |
| American Society of Anesthesiology Status, n (%) | |
| 1 | 62 (18.6%) |
| 2 | 149 (44.7%) |
| 3 | 95 (28.5%) |
| 4 | 27 (8.1%) |
| Age-adjusted Charlson co-morbidity index, mean (SD) | 3.36 (2.6) |
| APACHE-II score, mean (SD) | 12.3 (7.59) |
| Admitting diagnosis, n (%) | |
| Cholecystitis | 154 (45.6%) |
| Biliary pancreatitis | 71 (21.0%) |
| Choledocholithiasis with cholangitis | 47 (13.9%) |
| Choledocholithiasis without cholangitis | 61 (18.0%) |
| Bilio-enteric fistula | 5 (1.5%) |