Quadrant

β

SE

Wald

p

OR

Constant

0.710

0.102

48.4

0.001

2.035

Upper right (intersecting grooves)

1.182

0.430

7.564

0.006

3.262

Upper right (intermittent grooves)

2.362

1.086

4.733

0.030

10.617

Upper middle (intersecting grooves)

1.640

0.604

7.372

0.007

5.156

Lower middle (forked grooves)

0.861

0.323

7.115

0.008

2.366

Lower middle (reticular grooves)

1.062

0.362

8.634

0.003

2.893