Randomized Controlled Trial
Copyright ©The Author(s) 2023.
World J Clin Cases. Nov 16, 2023; 11(32): 7806-7813
Published online Nov 16, 2023. doi: 10.12998/wjcc.v11.i32.7806
Table 1 Postoperative nausea and vomiting grading scale
PONV grade
Patient response
0Without PONV
INausea without vomiting
IINausea with vomiting (< 3 times/d)
IIIVomiting ≥ 3 times/d