Optimal Cut-Off Value of the Superior Articular Process Area as a Morphological Parameter to Predict Lumbar Foraminal Stenosis

Table 2

Sensitivity and specificity of each cut-off point of the SAPA for prediction of lumbar foraminal spinal stenosis.

SAPA; (mm^2)	Sensitivity; (%)	Specificity; (%)
60.93	100	0
99.82	95.8	62
112.12	84.4	83.9
114.63	65.5	89.8
117.47	58.2	94.9
170.74	0	100

The best cut-off point on the receiver operating characteristic curve. SAPA: superior articular process area.