| Outcomes | Number of trials (n) | Weighted event rates | RRI (95% CI) | NNH (CI) | |
| Early feeding | Delayed feeding | ||||
| Nausea | 1 (195) | 43% | 24% | 79% (19 to 171) | 6 (4 to 17) |
| Abdominal distension | 2 (301) | 34% | 31% | 7% (−23 to 47) | Not significant |
| RRR (CI) | NNT | ||||
| Vomiting | 2 (301) | 6.1% | 7.1% | 14% (−100 to 63) | Not significant |
| Ileus | 1 (96) | 8.5% | 14% | 40% (−90 to 81) | Not significant |
*Abbreviations defined in glossary. RRI, RRR, NNH, NNT, and CI calculated from data in article using a fixed-effects model.