Predictive value of neck imaging reporting and data system (NIRADS) in CECT/CEMRI of laryngeal and oral cavity squamous cell carcinoma

Egyptian Journal of Radiology and Nuclear Medicine

Table 3 Predictive value of the oral cavity SCC primary and nodal neck lesions according to NI-RADS categories

NI-RADS	Recurrence		Fisher’s exact test		Cramér’s (V)		Linear by linear association
NI-RADS	Positive recurrence (PPV%)	Negative recurrence rate (NPV%)	Value	P	Value	P	Value	P
Primary lesion			12.31	0.002	0.689	0.001	10.6	0.001
NI-RADS 1	1/10 (10%)	9/10 (90%)
NI-RADS 2	2/10 (20%)	8/10 (80%)
NI-RADS 3	7/8 (87.5%)	1/8 (12.5%)
Total	10/28 (35.7%)	18/28 (64.3%)
LN lesion
NI-RADS 1	0/15 (0%)	15/15 (100%)	18.01	< 0.000	0.841	< 0.000	18.01	< 0.000
NI-RADS 2	1/5 (20%)	4/5 (80%)
NI-RADS 3	7/8 (87.5%)	1/8 (12.5%)
Total	8/28 (28.6%)	20/28 (71.4%)
Combined primary and LN			32.42	< 0.000	0.763	< 0.000	28.76	< 0.000
NI-RADS 1	1/25 (4%)	24/25 (96%)
NI-RADS 2	3/15 (20%)	12/15 (80%)
NI-RADS 3	14/16 (87.5%)	2/16 (12.5%)
Total	18/56 (32.1%)	38/56 (67.9%)