Fig. 4
From: Ramosetron versus ondansetron for postoperative nausea and vomiting in strabismus surgery patients
Incidence of nausea regarding the number of extraocular muscles involved Subgroup S, single-muscle correction; subgroup M, multiple-muscle correction. Placebo subgroup S (n = 16), subgroup M (n = 15); Ondansetron subgroup S (n = 12), subgroup M (n = 14); Ramoseron subgroup S (n = 17), subgroup M (n = 15)