TABLE 1.
Baseline characteristics
| Parameter | n = 491 |
|---|---|
| Gender, male, female | 310 (63%), 181 (37%), |
| Age, years | 70 [66–75] |
| BMI (n = 491) | |
| <18.5 | 11 (2.2%) |
| 18.5–24.9 | 223 (45%) |
| 25–29.9 | 172 (35%) |
| ≥30 | 84 (17%) |
| Smoking history | |
| Current | 63 (13%) |
| Former | 272 (55%) |
| Never | 156 (32%) |
| Excessive alcohol consumption | 96 (20%) |
| ASA | |
| I | 21 (4.3%) |
| II | 259 (53%) |
| III | 207 (42%) |
| IV | 4 (0.8%) |
| CCI | |
| 2–3 | 56 (11%) |
| 4–5 | 262 (53%) |
| 6–7 | 126 (26%) |
| 8+ | 47 (9.6%) |
| SpO2 | 98% [97–99] |
| Systolic blood pressure, mmHg | 136 [125–149] |
| Diastolic blood pressure, mmHg | 76 [69–84] |
| TUG (n = 453) | |
| <10 s | 396 (87%) |
| ≥10 s | 57 (13%) |
| Hemoglobin, mmol/L (n = 461) | 7.9 [7.0–8.6] |
| Creatinine µmol/L(n = 466) | 77.0 [68–92] |
| Primary operation: | |
| Pancreatic resection | 166 |
| Bowel resection | 152 |
| Esophagus resection | 90 |
| Gastrectomy | 29 |
| Other major procedures | 54 |
| Duration of surgery | 3 h 39 min [2 h 32 min–4 h 37 min] |
| Fluid balance, ml | 1240 [862–1503] |
BMI: Body Mass Index; kg/(height in m)2; Alcohol consumption: Excessive intake is alcohol consumption more than recommended by the Danish Health Authority, which is 24 g/day for men and or 12 g/day for women; ASA: American Society of Anesthesiologist, Physical Status Classification; CCI: Charlson Comorbidity Index; TUG: Timed Up and Go test; SpO2: Peripheral oxygen saturation; CI: Confidence interval; Values are given as numbers (percentage) or median of [IQR].