Table 2.
Comparison of nutrient intake in the hospital between the study groups.
| Total (n = 117) |
Control Group (n = 89) |
POI Group (n = 28) |
p-Value (Control vs. POI) |
|
|---|---|---|---|---|
| Preoperatively | ||||
| Energy intake in the hospital (kcal/day) | 1567 ± 323 | 1582 ± 324 | 1521 ± 319 | 0.390 |
| Via oral route (kcal/day) | 1136 ± 505 | 1115 ± 520 | 1204 ± 458 | 0.422 |
| Via enteral route (kcal/day) | 70 ± 262 | 86 ± 295 | 21 ± 81 | 0.065 |
| Via parenteral route (kcal/day) | 361 ± 429 | 381 ± 462 | 297 ± 302 | 0.369 |
| Protein intake in the hospital (g/day) | 61.1 ± 13.8 | 61.4 ± 14.2 | 60.3 ± 12.8 | 0.717 |
| Per preoperative weight (g/kg) | 1.12 ± 0.31 | 1.12 ± 0.33 | 1.09 ± 0.26 | 0.656 |
| Via oral route (g/day) | 46.1 ± 21.0 | 45.2 ± 21.9 | 48.9 ± 18.1 | 0.415 |
| Via enteral route (g/day) | 3.0 ± 11.6 | 3.7 ± 13.2 | 0.8 ± 2.9 | 0.056 |
| Via parenteral route (g/day) | 12.1 ± 13.8 | 12.5 ± 14.6 | 10.6 ± 10.9 | 0.524 |
| The 4th week postoperatively | ||||
| Nutrient requirement (kcal/day) | 1599 ± 192 | 1605 ± 200 | 1578 ± 192 | 0.514 |
| Energy intake in the hospital (kcal/day) | 1366 ± 564 | 1211 ± 413 | 1856 ± 693 | <0.001 |
| Via oral route (kcal/day) | 716 ± 434 | 913 ± 279 | 88 ± 156 | <0.001 |
| Via enteral route (kcal/day) | 557 ± 698 | 260 ± 373 | 1501 ± 654 | <0.001 |
| Via parenteral route (kcal/day) | 92 ± 240 | 38 ± 103 | 268 ± 414 | <0.001 |
| Protein intake in the hospital (g/day) | 57.6 ± 26.7 | 51.3 ± 19.5 | 77.5 ± 32.4 | <0.001 |
| Per postoperative weight (g/kg) | 1.10 ± 0.50 | 0.99 ± 0.43 | 1.45 ± 0.57 | <0.001 |
| Via oral route (g/day) | 30.8 ± 20.6 | 39.4 ± 15.4 | 3.5 ± 5.8 | <0.001 |
| Via enteral route (g/day) | 24.4 ± 31.0 | 11.4 ± 16.8 | 65.6 ± 30.1 | <0.001 |
| Via parenteral route (g/day) | 2.7 ± 8.1 | 0.9 ± 3.5 | 8.4 ± 14.1 | 0.010 |
Data are expressed as the mean ± standard deviation. Differences among two groups were analyzed using the unpaired t-test. POI group, poor oral intake group.