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Table 3 Analysis of variance test between the parameters

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

Parameter

N

Mean

Standard deviation

Standard error

ANB angle

25

−3.84

1.028

0.206

Wits appraisal

25

−5.46

2.291

0.458

β angle

25

8.56

3.097

0.619

APDI

25

7.76

3.767

0.753

App-Bpp

25

−4.72

2.132

0.426

YEN angle

25

4.80

2.661

0.532

W angle

25

4.20

2.102

0.420

Total

175

1.61

6.194

0.468

 

Sum of squares

Df

Mean square

F

Overall ANOVA p value

Difference between parameters

5,569.134

6

928.189

140.853

<0.0001*

Total

6,676.214

174

   
  1. *p ≤ 0.05 = significant.