Table 3 Logistic regression analysis of risk factors associated with Cage subsidence

Age

 < 60 years old

Reference

 ≥ 60 years old

0.9(0.3-3.0)

0.842

Gender

 Male

Reference

 Female

0.5(0.1–2.6)

0.444

 Number of OLIF level

 < 3

Reference

Reference

3

4.6(1.1–18.6)

0.034*

0.6(0.1–3.8)

0.557

L1 CT HU

 ≥ 110

Reference

Reference

 < 110

9.5(1.9–46.2)

0.005*

9.0(1.3–64.2)

0.028*

Cage height

 10 mm

Reference

 12 mm

2.7(0.3–22.5)

0.357

The difference of CH to preoperative MDH

 CH ≤ preoperative MDH

Reference

 CH > preoperative MDH

10.2(1.3–82.8)

0.030*

11.6(1.2-114.3)

0.035*

CPR

 CPR ≥ 50%

Reference

 CPR < 50%

22.0(2.7-178.4)

0.004*

24.7(2.5-241.2)

0.006*