From: Palonosetron versus ondansetron for prevention of nausea and vomiting after total abdominal hysterectomy under spinal anesthesia with intrathecal morphine: a double-blind, randomized controlled trial
Ondansetron
Palonosetron
P value
Moderate/severe nausea (VAS ≥ 5)
44.2%
35.7%
0.301
Clinically significant PONV (ascore ≥ 5)
5.7%
2.8%
0.681
Low patient satisfaction with PONV control
15.7%
10.0%
0.313