Table 3.

Optimal Cut-Off Value for Area Under the Curve and Preoperative Canal Stenosis Percentage According to ROC Analysis.

AUC (95%)	Cut off	p	Sensitivity (%)	Specifity (%)
0.838 (0.714-0.961)	27,9926	<0.001	82.4%	80%

AUC: area under the curve.