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Table 3 The performance of rod curvature (RC) for predicting postoperative outcomes under the optimal cutoff value

From: The association of rod curvature with postoperative outcomes in patients undergoing posterior lumbar interbody fusion for spinal stenosis: a retrospective case–control study

 

Estimate

Optimal Cutoff

13.70

Sensitivity

0.89

Specificity

0.75

Positive predictive value

0.81

Negative predictive value

0.85

Positive likelihood ratio

3.55

Negative likelihood ratio

0.16