Skip to main content
. 2016 Mar 31;38(1):18. doi: 10.1186/s40902-016-0065-1

Table 2.

Measurement results pre-, post-surgery, and differences (mean ± SD)

Measurement Pre-surgery Post-surgery P valuea Differences
Point A (mm) 87.37 ± 4.69 88.10 ± 4.41 .821 −0.73 ± 1.95
Point B (mm) 91.22 ± 8.98 82.41 ± 6.55 <.001* 8.81 ± 4.26
Menton deviation (mm) 4.54 ± 3.92 1.50 ± 1.22 .001* 3.04 ± 3.76
Right canine (mm) 68.96 ± 3.90 69.08 ± 3.57 .768 −0.11 ± 1.79
Left canine (mm) 69.18 ± 3.63 68.74 ± 3.57 .394 0.44 ± 2.18
Right molar (mm) 56.71 ± 3.88 54.54 ± 3.46 .001* 2.16 ± 2.38
Left molar (mm) 56.82 ± 3.67 54.06 ± 3.62 .001* 2.76 ± 2.53
Right mouth corner (mm) 67.74 ± 4.23 69.51 ± 4.14 <.001* −1.77 ± 1.74
Left mouth corner (mm) 67.72 ± 4.36 69.22 ± 4.01 .005* −1.50 ± 2.00
Canine canting (mm) 1.06 ± 0.85 1.06 ± 0.75 .664 1.44 ± 1.08b
Molar canting (mm) 1.40 ± 1.06 1.36 ± 0.97 .945 1.42 ± 1.16b
Mouth corner canting (mm) 1.54 ± 1.26 0.94 ± 0.58 .048* 1.28 ± 1.03b
Canine line (°) 1.75 ± 1.44 1.71 ± 1.22 .794 2.32 ± 1.70b
Molar line (°) 1.44 ± 1.12 1.40 ± 1.01 .931 1.44 ± 1.17b
Mouth corner line (°) 0.70 ± 0.49 0.56 ± 0.42 .370 0.66 ± 0.65b
Smiling right mouth corner (mm) 66.39 ± 4.58 64.59 ± 4.47 .020* 1.8 ± 3.21
Smiling left mouth corner (mm) 66.09 ± 4.79 64.36 ± 4.58 .092 1.73 ± 3.52
Smiling mouth corner canting (mm) 1.09 ± 1.03 1.30 ± 1.06 .322 1.27 ± 1.13b
Smiling mouth corner line (°) 1.19 ± 1.06 1.42 ± 1.20 .588 1.43 ± 1.26b

Differences change between the preoperative state and postoperative result (preoperative value-postoperative value), SD standard deviation

*P < .05

aSignificance according to the Wilcoxon signed-rank test

bAbsolute value of difference