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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.