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Table 3 Comparison between group D and group X according to time of first analgesia (min)

From: Comparative study between the effect of dexmedetomidine and lidocaine infusion in lumbar fixation on hemodynamics, fentanyl requirements, and postoperative analgesia

Time of first analgesia (min)

Group D (n = 33)

Group X (n = 33)

t test

p value

Mean ± SD

159.64 ± 30.27

124.78 ± 24.66

4.277

0.009*

  1. t independent sample t test, SD standard deviation
  2. *Significance as p value < 0.05