Table 2 Multivariate logistic regression analysis in training cohort

Age

6.753

0.080

 60 ~ 70 vs < 60

1.192

1.194

0.997

0.318

3.294 (0.317 ~ 34.226)

 70 ~ 80 vs < 60

1421

1.166

1.486

0.223

4.143 (0.421 ~ 40.743)

  > 80 vs < 60

2.339

1.199

3.805

0.051

10.374 (0.989 ~ 108.842)

Fractures (yes)

0.812

0.545

2.218

0.136

2.253 (0.774 ~ 6.582)

Bone cement dosage

9.377

0.025

 3 ~ 4 ml vs < 3 ml

0.023

0.553

0.002

0.967

1.023 (0.346 ~ 3.028)

 4 ~ 4.5 ml vs < 3 ml

−0.765

0.902

0.719

0.397

0.465 (0.079 ~ 2.727)

  > 4.5 ml vs < 3 ml

1.185

0.525

5.097

0.024

3.270 (1.169 ~ 9.148)

Anti-osteoporosis treatment (no)

2.209

0.452

23.868

< 0.001

9.105 (3.753 ~ 22.086)

Bone cement leakage (yes)

1.140

0.424

7.227

0.007

3.128 (1.362 ~ 7.183)

Bone cement dispersion (no)

0.664

0.432

2.362

0.024

1.942 (0.833 ~ 4.528)

Contact with endplate (no)

2.168

0.454

22.845

< 0.001

8.743 (3.594 ~ 21.272)

Post-Cobb

−0.065

0.063

1.069

0.301

0.937 (0.828 ~ 1.060)

Restoration-Cobb

1.351

1.870

0.521

0.470

3.860 (0.099 ~ 150.831)

Constants

−6.013

2.039

8.695

0.003