Statics
nausea, vomiting
Based on Gan et al. [The data was analyzed using Statistical Package for Social Sciences (SPSS) software (version 21, SPSS INC., Chicago, IL, USA). Demographic and other patient characteristics were expressed as means ± standard deviations. Values < 0.05 were considered statistically significant. For analyzing patient demographics, the cumulative incidence of vomiting at each time point, the incidence of nausea, rescue antiemetic use, and complete response (no vomiting and no rescue) in periods of 0–2, 2–6, 6–12, and 12-24 h after surgery t-test and 