marginally significantp = 0.05
The meta-analyses revealed that esketamine was associated with a significant reduction in the risk of nausea (RR = 0.69; 95% CI: 0.50–0.94; p = 0.02; I 2 = 75%) and a marginally significant reduction in vomiting (RR = 0.72; 95% CI: 0.51–1.00; p = 0.05; I 2 = 71%).