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Table 3 Multivariate regression model of predicting symptomatic adjacent segment degeneration requiring surgery in patients after posterior lumbar fusion

From: Risk factors for predicting symptomatic adjacent segment degeneration requiring surgery in patients after posterior lumbar fusion

Predictors

Odds ratio

95% confidence interval

Pvalues

Lower limit

Upper limit

BMI

1.75

1.18

2.61

0.006

Preoperative ADD on MRI

13.52

1.35

135.5

0.027

Disc bulge in preoperative CT examination

390.4

21.1

7212.6

0.000

  1. BMI body mass index, ADD adjacent disc degeneration.
  2. Nagelkerke R2 = 0.819.