Research Article

Prevention of Acute Postoperative Pain in Breast Cancer: A Comparison between Opioids versus Ketamine in the Intraoperatory Analgesia

Table 3

First, univariate analysis, unadjusted binary logistic regression at different times, multivariate analysis, and adjusted binary logistic regression at different times.

Odds ratio [95% CI] valueChi2 score

Group (opioid/ketamine) at 10 min0.169 [0.06–0.479]0.001
Group (opioid/ketamine) at 60 min0.212 [0.077–0.585]0.003
Group (opioid/ketamine) at 90 min0.176 [0.061–0.506]0.001
Group (opioid/ketamine) at 24 h after hospitalization0.027 [0.003–0.217]0.001
Group (opioid/ketamine) at 10 min0.144 [0.043–0.477]0.00212.009
Group (opioid/ketamine) at 60 min0.197 [0.062–0.623]0.0069.461
Group (opioid/ketamine) at 90 min0.126 [0.037–0.431]0.00111.188
Group (opioid/ketamine) at 24 h after hospitalization0.008 [0.001–0.098]0.00121.554

 < 0.05. min: minutes. h: hours.