From: RETRACTED ARTICLE: Dose selection of central or peripheral administration of sufentanil affect opioid induced cough?: a prospective, randomized, controlled trial
Group CV (n = 51)
Group PV (n = 51)
P value
Occurrence of cough, n (%)
10 (20.4)
16 (32)
0.04*
Mild
4 (7.84)
5 (9.80)
0.36
Moderate
1.00
Severe
1 (1.96)
6 (11.76)
0.03*
Onset time of cough (s)
18.3 ± 3.0
18.5 ± 2.8
0.93