Physiological parameters
| Nutrition group | Control group | |
| Handgrip strength (kg/m2), median (IQR, n) | ||
| Baseline | 28.3 (23.3–36.2, 32) | 31.35 (23.9–34.3, 29) |
| POD1 | 28.3 (20–39, 27) | 27.95 (23.5–35.8, 22) |
| POD2 | 24.3 (20.6–36.2, 25) | 28 (18.9–35.2, 19) |
| POD3 | 23.9 (20.3–35.8, 23) | 29.3 (22.4–33.2, 14) |
| Discharge | 25.3 (20.6–37.3, 29) | 30.7 (22.4–35.7, 24) |
| Peak flow (l/min) mean (SD, n) | ||
| Baseline | 361.8 (160.4, 32) | 347.3 (112.2, 26) |
| POD1 | 182.3 (94.6, 26) | 192.8 (82.0, 18) |
| POD2 | 184.1 (89.3, 22) | 193.5 (88.5, 17) |
| POD3 | 168.1 (52.1, 21) | 182.1 (67.6, 14) |
| Discharge | 200 (85.0, 28) | 221 (90.7, 24) |
POD, postoperative day.