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