From: “Preoperative oral duloxetine: does it affect duration of spinal anesthesia and early postoperative pain after arthroscopic ACL repair?” A prospective, randomized, double-blind controlled trial
Group C (n=35)
Group D (n= 35)
p-value
Frequency of morphine (number of doses)
3 (3–4)
2 (1–2)
<0.001
Total morphine consumption (mg)
10.37 ± 1.52
4.2 ± 2.08
First analgesic requirements (minutes)
218.29 ± 12.48
479.71 ± 50.32