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. 2023 Nov 16;11(32):7806–7813. doi: 10.12998/wjcc.v11.i32.7806

Table 4.

Comparison of postoperative nausea and vomiting within postoperative 48 h between the sufentanil and butorphanol groups


Sufentanil group (n = 55)
Butorphanol group (n = 55)
Z
P value
T1 PONV (0/I/II/III) 42/6/6/1 52/3/0/0 -2.786 0.005a
T2 PONV (0/I/II/III) 21/11/11/2 44/4/7/0 -3.188 0.001a
T3 PONV (0/I/II/III) 50/3/2/0 54/1/0/0 -1.375 0.169
a

There is significant statistical difference between the two groups, with P < 0.05.

T1: During the postanesthesia care unit period; T2: Return to the ward for 24 h; T3: Return to the ward for 24-48 h. PONV: Postoperative nausea and vomiting.