| Methods | N; B; Y; N; N; N | |
| Participants | 60 adults; 34 women; hip arthoplasty; exc' heart/GI/renal/extrapyramidal disease | |
| Interventions | Induction AND postoperative Either: PLACEBO twice; or METOCLOPRAMIDE 20mg i.m. twice | |
| Outcomes | Vomiting; rescue antiemetic. Postop 0‐5 hours. | |
| Notes | Male/female incidences not reported. No side effects. | |
| Risk of bias | ||
| Bias | Authors' judgement | Support for judgement |
| Allocation concealment (selection bias) | Low risk | A ‐ Adequate |
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