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Table 2 Mean and standard deviation of pain intensity in the studied groups at different times

From: Effect of intraoperative dexmedetomidine infusion during functional endoscopic sinus surgery: a prospective cohort study

Time Dexmedetomidine
0.2 μg/kg/h
(n = 33)
Dexmedetomidine
0.5 μg/kg/h
(n = 30)
Placebo
(n = 27)
*P **P ***P
2 h after surgery 2.66 ± 1.67 2.13 ± 1.45 4.77 ± 1.16 > 0.001 > 0.001 0.013
6 h after surgery 3.18 ± 1.62 2.23 ± 1.47 4.44 ± 1.64 > 0.001
12 h after surgery 2.54 ± 1.60 1.70 ± 1.41 3.40 ± 1.47 > 0.001
24 h after surgery 1.96 ± 1.26 1.33 ± 1.15 2.59 ± 1.24 > 0.001
  1. *ANOVA ** time effect*** time groups effect. P-values < 0.05 were considered statistically significant
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