Review Article

Perioperative Intravenous Patient-Controlled Analgesic Efficacy of Morphine with Combined Nefopam and Parecoxib versus Parecoxib in Gynecologic Surgery: A Randomized, Double-Blind Study

Figure 2

Estimated means of pain score analyzed by mixed-effects regression between nefopam and control at various time points. (a) At rest: no effect of intervention on the estimated mean pain score, value = 0.058; (b) at movement: intervention, nefopam and control, affecting the estimated pain score, value = 0.046.
(a)
(b)