From: Evaluation of the effects of methadone and tramadol on postoperative analgesia and serum interleukin-6 in dogs undergoing orthopaedic surgery
Group
Surgery time* (mean ± SD)
Extubation time* (mean ± SD)
TRA
95.3 ± 17.4
6.6 ± 2.4
MET 0.5
98.2 ± 15.2
7.2 ± 1.6
MET 0.7
98.5 ± 12.8
7.3 ± 2.2