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| Outcome | No. (%) | χ2 value | P value | |
|---|---|---|---|---|
| Dexmedetomidine group | Control group | |||
| Total patients, No. | 344 | 331 | NA | NA |
| Dietary status | ||||
| Regular/solid | 321 (93.3) | 309 (93.4) | NA | .82 |
| Liquid | 23 (6.7) | 21 (6.3) | ||
| No eating | 0 | 1 (0.3) | ||
| Nausea | 11 (3.2) | 14 (4.2) | 0.50 | .48 |
| Vomiting | 5 (1.5) | 3 (0.9) | 0.09 | .76 |
| Abdominal distension | 38 (11.0) | 40 (12.1) | 0.18 | .67 |
| Constipation | 13 (3.8) | 22 (6.6) | 2.82 | .09 |
| Death | 1 (0.3) | 0 | NA | >.99 |
Abbreviation: NA, not applicable.
