However, Buttner reported that there is no significant difference in PONV at 24h: RR 0.57 95% CI 0.18-1.28 for nausea and RR 0.85 0.4-1.79 for vomiting.
Sin embargo, Buttner reporta que no hay diferencia significativa para NVPO a las 24h RR: 0,57; IC95%: 0,18 a 1,28 para náuseas y RR: 0,85; IC95%: 0,4 a 1,79 para vómito.