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Meta-analysis of other outcomes.
| Outcome | No. of studies | Incidence/duration |
OR or SMD |
95 % CI | P | I2 (%) | |
|---|---|---|---|---|---|---|---|
| Drain (%) | No drain (%) | ||||||
| Nausea | 59,14,17,20,21 | 16.9 | 15.2 | 1.12 | 0.71–1.77 | 0.62 | 0 |
| Vomiting | 317,20,21 | 14,9 | 12.1 | 1.20 | 0.62–2.33 | 0.58 | 0 |
| Hospital stay | 710,11,14–16,20,21 | – | – | 0.37 | –0.16–0.89 | 0.17 | 95 |
OR, odds ratio; SMD, standardized mean difference; CI, confidence interval.
