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Table 4 Saudi Arabian specific regression coefficients for males and females separately obtained from a fit of the model on the full Saudi Arabian dataset according to the Willems BC method (2001)

From: Age estimation based on Willems method versus country specific model in Saudi Arabia children and adolescents

 

Tooth

B

C

D

E

F

G

H

M

31

6.141

4.656

5.847

5.383

5.874

5.556

32

0.000

0.000

− 0.702

− 0.226

0.083

0.562

33

0.000

0.213

0.633

1.244

1.518

1.763

34

0.011

1.189

1.162

0.638

0.974

2.475

2.707

35

-0.293

− 0.390

− 0.456

0.214

0.399

0.612

2.147

36

0.000

− 1.486

− 1.252

− 1.130

− 0.413

− 0.198

37

0.160

0.522

0.992

1.514

1.872

2.555

3.654

F

31

11.204

11.403

12.426

12.948

11.855

32

0.000

− 0.084

0.000

− 0.601

− 0.349

0.165

33

0.000

-4.567

− 5.126

− 5.176

− 4.347

− 3.385

− 3.024

34

0.000

0.000

0.279

0.308

0.412

0.886

1.976

35

− 1.355

-0.376

− 0.869

− 0.513

− 0.325

− 0.103

1.999

36

0.000

0.000

− 0.300

0.032

0.266

0.661

37

− 0.095

− 0.221

0.134

0.589

0.503

0.899

2.578

  1. M: male; F: Female