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Table 4 Comparison of changes in the treatment group (T2 − T1) vs. control group (t2 − t1) in the male subjects

From: Treatment effects of a fixed intermaxillary device to correct class II malocclusions in growing patients

  Males
Variable Control (t2 − t1) Treated (T2 − T1) pvalue   Significance
Mean SD Mean SD Difference
Sagittal        
 OLp-Apt 6.4 2.4 4.2 2.7 0.0814 −2.2 NS
 OLp-Pg 7.8 3.9 8.0 4.2 0.9110 0.2 NS
 OLp-Co 0.2 1.9 1.8 2.0 0.1034 1.5 NS
 Co-Apt 6.6 3.1 5.9 2.8 0.6072 −0.7 NS
 Co-Gn 9.9 4.2 11.7 3.6 0.3041 1.8 NS
 Co-Gn minus Co-Apt 3.3 1.6 5.9 2.2 0.0148 2.5 *
 Wits 0.3 1.4 −2.0 2.1 0.0149 −2.3 *
 Is-OLp 7.0 3.3 3.4 4.9 0.0901 −3.6 NS
 Ii-OLp 7.1 2.8 8.0 2.9 0.5245 0.8 NS
 Overjet −0.1 1.0 −4.6 3.3 0.0024 −4.5 *
 Ms-OLp 7.5 4.1 5.3 3.4 0.2058 −2.2 NS
 Mi-OLp 7.6 4.0 9.4 3.6 0.3090 1.8 NS
 Molar relationship −0.1 1.2 −4.1 2.2 0.0003 −4.0 *
Vertical        
 Ols-Apt 3.6 1.3 3.0 2.0 0.4281 −0.7 NS
 ANS-Me 5.6 2.7 6.4 3.2 0.5730 0.8 NS
 Is-NL 1.9 1.2 1.4 2.0 0.5925 −0.4 NS
 Ii-ML 4.0 1.4 2.6 3.1 0.2563 −1.5 NS
 Overbite 0.6 1.9 −1.7 1.2 0.0029 −2.3 *
 Msc-NL 3.0 1.2 3.2 1.8 0.7906 0.2 NS
 Mic-ML 3.3 1.7 4.6 2.1 0.1870 1.3 NS
Angular        
 SNA 2.0 1.4 0.2 1.3 0.0075 −1.8 *
 SNB 1.5 1.5 1.8 1.5 0.7032 0.3 NS
 ANB 0.5 0.4 −1.6 1.3 0.0005 −2.1 *
 SNL-NL 0.5 1.6 −0.8 1.3 0.0523 −1.3 NS
 SNL-ML −0.4 2.0 −1.9 3.0 0.2593 −1.4 NS
 SNL-Olf −1.1 3.9 −1.4 2.2 0.7791 −0.4 NS
 Is/NL −0.8 3.7 4.0 26.9 0.6504 4.8 NS
 Ii/ML −0.4 3.3 3.7 5.1 0.0622 4.2 NS
 Inter-incisal angle 2.4 6.5 −0.2 12.5 0.6054 −2.7 NS
  1. * = p<.05.