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Table 1 Evaluation of the amount of molar mesialization between the groups (mm)

From: Effects of 405-, 532-, 650-, and 940-nm wavelengths of low-level laser therapies on orthodontic tooth movement in rats

Group/variable Molar mesialization (mm) 95% confidence interval for mean p
Mean S.D. Lower bound Upper bound
NC 0.000 0.000 0.000 0.000 < 0.001*
PC 0.467 0.357 0.192 0.741
405 nm 0.644 0.261 0.443 0.845
532 nm 0.731 0.173 0.598 0.864
650 mm 0.878 0.201 0.724 1.032
940 nm 0.723 0.230 0.559 0.887
Pairwise comparisons, p values
MM NC-PC NC-405 nm NC-532 nm NC-650 nm NC-940 nm PC-405 nm PC-532 nm PC-650 nm PC-940 nm 405–532 nm 405–650 nm 405–940 nm 532–650 nm 532–940 nm 650–940 nm
0.000* 0.000* 0.000* 0.000* 0.000* 0.331 0.070 0.017* 0.165 0.251 0.042* 0.462 0.270 0.513 0.683
  1. MM amount of molar mesialization, NC negative control group, PC positive control group, S.D. standard deviation
  2. Significant degree: *p < 0.05