Skip to main content

Advertisement

Table 5 A correlation matrix for the seven parameters calculated with the Karl Pearson correlation test

From: Cephalometric study to test the reliability of anteroposterior skeletal discrepancy indicators using the twin block appliance

  ANB angle Wits appraisal β angle APDI App-Bpp YEN angle W angle
ANB angle Pearson correlation (r)   0.563 −0.527 −0.420 0.530 −0.445 −0.613
Significance (two-tailed) (p)   0.003* 0.007* 0.037* 0.006* 0.026* 0.001*
n    25 25 25 25 25
Wits appraisal Pearson correlation (r)    −0.552 −0.185 0.475 −0.217 −0.383
Significance (two-tailed) (p)    0.004* 0.377 0.016* 0.297 0.059
n     25 25 25 25
β angle Pearson correlation (r)     0.455 −0.441 0.328 0.424
Significance (two-tailed) (p)     0.022* 0.027* 0.110 0.035*
n      25 25 25
APDI Pearson correlation (r)      −0.552 0.593 0.591
Significance (two-tailed) (p)      0.004* 0.002* 0.002*
n       25 25
App-Bpp Pearson correlation (r)       −0.548 −0.655
Significance (two-tailed) (p)       0.005* 0.0004*
n        25
YEN angle Pearson correlation (r)        0.894
Significance (two-tailed) (p)        <0.0001*
n        25
W angle Pearson correlation (r)        
Significance (two-tailed) (p)        
n        
  1. *p ≤ 0.05 = significant.