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Table 3 Comparison of the pretreatment craniofacial morphology in pooled subjects

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

  Pooled (males and females)
Variable Control Treated pvalue   Significance
Mean SD Mean SD Difference
Sagittal        
 OLp-Apt 70.3 4.2 70.9 4.5 0.6684 0.6 NS
 OLp-Pg 73.9 4.8 72.4 5.3 0.3286 −1.5 NS
 OLp-Co 10.0 2.2 9.8 3.4 0.7782 −0.2 NS
 Co-Apt 80.7 4.1 81.3 5.3 0.6852 0.6 NS
 Co-Gn 99.7 5.3 99.3 7.0 0.8091 −0.5 NS
 Co-Gn minus Co-Apt 19.0 3.0 18.0 3.5 0.2948 −1.0 NS
 Wits 0.6 1.7 1.8 1.9 0.0269 1.2 *
 Is-OLp 77.2 5.5 78.9 5.4 0.2925 1.7 NS
 Ii-OLp 71.9 4.8 71.1 4.8 0.5618 −0.8 NS
 Overjet 5.3 1.6 7.8 2.9 0.0008 2.5 *
 Ms-OLp 49.2 3.8 48.8 4.7 0.7440 −0.4 NS
 Mi-OLp 49.0 4.3 47.5 4.6 0.2549 −1.5 NS
 Molar relationship 0.2 0.9 1.3 1.8 0.0117 1.1 *
Vertical        
 OLs-Apt 26.9 2.3 30.2 5.7 0.0131 3.3 *
 ANS-Me 59.0 5.1 57.5 5.8 0.3620 −1.5 NS
 Is-NL 26.0 2.6 28.5 3.1 0.0036 2.6 *
 Ii-ML 35.4 3.3 36.3 3.3 0.3720 0.9 NS
 Overbite 3.1 1.4 3.9 1.2 0.0255 0.8 *
 Msc-NL 18.5 2.0 18.6 2.1 0.8809 0.1 NS
 Mic-ML 27.0 2.4 25.5 2.4 0.0449 −1.5 *
Angular        
 SNA 80.1 2.8 81.1 3.1 0.2623 1.0 NS
 SNB 75.8 2.9 75.9 2.6 0.8411 0.2 NS
 ANB 4.3 1.3 5.1 1.8 0.0796 0.8 NS
 SNL-NL 6.4 2.9 7.2 3.0 0.3755 0.8 NS
 SNL-ML 33.4 4.8 32.8 5.9 0.6801 −0.7 NS
 SNL-Olf 19.9 3.1 18.8 3.7 0.2901 −1.1 NS
 Is/NL 110.1 5.0 110.9 22.4 0.8837 0.7 NS
 Ii/ML 95.1 6.0 93.7 6.7 0.4385 −1.5 NS
 Inter-incisal angle 127.5 7.5 125.2 11.7 0.4427 −2.3 NS
  1. * = p<.05.