Table 1.

True positive, true negative, false positive, false negative, accuracy, sensitivity, and specificity of MRI for the lesions in supraglottic, glottic, subglottic, cartilage and lymph node regions.

MRI		True positive	True negative	False positive	False negative	Accuracy (%)	Sensitivity (%)	Specificity (%)
Supraglottic	E	5	15	0	0	100	100	100
	AE	6	14	0	0	100	100	100
	VB	7	13	0	0	100	100	100
Glottic		12	6	1	1	90	92	85
Subglottic		4	15	0	1	95	80	100
Cartilage		5	15	0	0	100	100	100
Lymph node		2	18	0	0	100	100	100

E – epiglottis; AEF – aryepiglottic fold; BV – ventricular band.