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Table 2 Comparison of Experimental group and Control group on the pre-surgical stage (T1)

From: Surgery-first approach reduces the overall treatment time without damaging long-term stability in the skeletal class III correction: a preliminary study

Parameters SFA group (n = 8) CA group (n = 20) P value
Mean SD Mean SD
Horizontal measurements
 VRP-A (mm) 58.61 3.32 59.73 5.40 0.328
 VRP-B (mm) 60.49 5.90 62.59 7.08 0.601
 VRP-PNS (mm) 15.76 3.17 16.50 3.05 0.566
Vertical measurements
 HRP-A (mm) 33.06 3.72 33.35 4.86 1.000
 HRP-B (mm) 80.37 3.84 78.35 7.34 0.409
 HRP-PNS (mm) 23.74 2.15 23.53 3.69 0.980
Angular measurements
 SNA (°) 83.48 4.80 81.63 3.54 0.304
 SNB (°) 86.07 6.86 84.60 3.95 0.940
 ANB (°) −2.59 3.07 −2.96 2.60 0.533
 Occlusal plane angle (°) 12.50 4.00 10.87 3.55 0.636
  1. P = 0.050
  2. Mann-Whitney U test