Analgesics Group 0
Control
(n = 40)
Group 1
Intervention
(n = 40)
P value
n (%) Dose (mg) n (%) Dose (mg) P1 P2
Morphine 20 (50) 4.8 ± 1.2 4 (10) 5.5 ± 1.0 0.01* 0.59
Hydromorphone 2 (5) 0.3 ± 0.1 1 (3) 1.0 ± 0.1 0.55 1.00
Mepiridine 1 (3) 60 ± 11.5 2 (5) 35 ± 10.2 0.55 1.00
*Statistically significant
Table 2: Opioid rescue analgesic requirements in PACU (mean ± SD)