Table 7 Multivariate analysis of factors associated with facet degeneration according to levels

 Gender

Male

0.043

2.961

1.037

8.453

Female

Reference

 Age

<50

0.001

3.410

1.605

7.246

≥50

Reference

 Tropism-T

Symmetric

0.003

10.998

2.224

54.378

Moderate

0.003

11.256

2.273

55.739

Severe

Reference

 Tropism-S

Symmetric

0.022

9.121

1.371

60.661

Moderate

0.022

9.885

1.399

69.854

Severe

Reference

 Age

<50

0.000

5.522

2.273

13.410

≥50

Reference

 Tropism-S

Symmetric

0.001

10.765

2.697

42.960

Moderate

0.021

6.774

1.331

34.470

Severe

Reference

 Age

<50

0.002

3.944

1.648

9.442

≥50

Reference

 Tropism-S

Symmetric

0.006

8.352

1.838

37.950

Moderate

0.358

2.036

0.447

9.284

Severe

Reference

 Age

<50

0.000

5.458

2.317

12.857

≥50

Reference

 Tropism-S

Symmetric

0.005

22.343

2.546

196.109

Moderate

0.010

21.616

2.118

220.648

Severe

Reference

 Tropism-S

Symmetric

0.001

44.059

4.569

424.904

Moderate

0.001

269.824

8.699

8368.862

Severe

Reference