Bupivacaine group(n=30) Ketamine group(n=30)
Intra-operative fentanyl requirements (μg) 90 ± 25* 40 ± 10.5
Acetaminophen requirements during the first 24h after surgery (mg) 875 ± 205* 250 ± 75
Number of patients required acetaminophen during the first 24h after surgery† 18 (60%)* 5(16%)
Student t test was used.
† Chi-squared test was used.
*Statically significant change (p<0.05)
Table 2: Analgesic requirements in the studied groups.