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Table 6 Comparison of median of RUNX2 gene expression levels among the study groups at day 21

From: Effect of low level laser and low intensity pulsed ultrasound therapy on bone remodeling during orthodontic tooth movement in rats

Comparison of groups n Median (IqR) X2-Statistica (df) P valueb
Non-treat. 6 0.752 (0.19)   
Ortho. Control 6 2.262 (0.21)   
LLLT 100 mW 6 2.622 (0.19) 8 .829 (4) 0.000
LIPUS 6 2.840 (0.21)   
LLLT 100 mW + LIPUS 6 3.285 (0.23)   
  1. IqR interquartile range
  2. aKruskal-Wallis test was applied
  3. bMann-Whitney test with Bonferroni correction for individual pair was applied, P < 0.001