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Table 3 Findings of the bone area measurement between the roots (μm2)

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

Group/variable The bone area (BA) 95% confidence interval for mean p  
  Mean S.D. Lower bound Upper bound   
NC 0.351 0.059 0.289 0.413 0.020*
PC 0.467 0.135 0.354 0.581
405 nm 0.407 0.090 0.332 0.483
532 nm 0.447 0.106 0.316 0.579
650 mm 0.502 0.098 0.411 0.593
940 nm 0.594 0.124 0.480 0.709
Pairwise comparisons, p values
BA 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
  0.244 0.604 0.066 0.022* 0.003* 0.247 0.557 0.486 0.104 0.768 0.036* 0.015* 0.368 0.120 0.108
  1. BA bone area between the roots, NC negative control group, PC positive control group, S.D. standard deviation
  2. Significant degree: *p < 0.05