Fig. 4: Receiver operating characteristic (ROC) curve between AIS A/B group and AIS C/D group, when using the LRW as the predictor.

The area under the curve (AUC) for the ROC was 0.774 with a sensitivity of 92.3% and a specificity of 70.6%. LRW left-right width, AUC area under the curve, ROCÂ receiver operator characteristic, AIS American Spinal Injury Association Impairment Scale.