Table 1.
Demographic characteristics (n = 890)
| Calculator input | Type | Frequency (%) |
|---|---|---|
| Procedure type | Distal subtotal pancreatectomy | 559 (63) |
| Pancreaticoduodenectomy | 135 (16) | |
| Pylorus-sparing pancreaticoduodenectomy | 110 (12) | |
| Other | 83 (9) | |
| Age | Under 65 years | 650 (73) |
| 65–74 years | 168 (19) | |
| 75–84 years | 64 (7) | |
| 85 years or older | 8 (1) | |
| Body mass index, median (interquartile range) | 28 (24–32) | |
| Gender | Male | 432 (49) |
| Female | 458 (51) | |
| Functional status | Independent | 852 (96) |
| Partially dependent | 37 (4) | |
| Dependent | 1 (0.1) | |
| Elective surgery | 846 (99) | |
| ASA class | Healthy patient | 76 (8) |
| Mild systemic disease | 284 (32) | |
| Severe systemic disease | 507 (57) | |
| Severe systemic disease/life threat | 23 (3) | |
| Steroids | 21 (2) | |
| Ascites | 3 (0.3) | |
| Systemic sepsis | 1 (0.1) | |
| Ventilator dependent | 0 (0) | |
| Disseminated cancer | 70 (8) | |
| Diabetes | Yes-no medication | 19 (2) |
| Oral medication | 99 (11) | |
| Insulin | 68 (8) | |
| Hypertension | 396 (45) | |
| Congestive heart failure | 10 (1) | |
| Dyspnea | At rest | 16 (2) |
| With exertion | 3 (0.3) | |
| Smoking history | 143 (16) | |
| Severe COPD | 17 (2) | |
| Dialysis | 2 (0.2) | |
| Acute renal failure | 1 (0.1) |