[Retracted] The Diagnostic Efficacy of the American College of Radiology (ACR) Thyroid Imaging Report and Data System (TI-RADS) and the American Thyroid Association (ATA) Risk Stratification Systems for Thyroid Nodules

Table 4

Cross-table of ACR and ATA rating scores.

(a)

		ACR
		Normal	Benign	Low risk	Intermediate risk	High risk
ATA	Benign	15 (100.00%)	0	0	0	0
	Very low risk	0	16 (25.81%)	1 (0.86%)	0	0
	Low risk	0	46 (74.19%)	114 (98.28%)	22 (22.68%)	2 (0.82%)
	Intermediate risk	0	0	1 (0.86%)	71 (73.20%)	21 (8.61%)
	High risk	0	0	0	4 (4.12%)	221 (90.57%)

(b)

		ATA
		Benign	Very low risk	Low risk	Intermediate risk	High risk
ACR	Normal	15 (100.00%)	0	0	0	0
	Benign	0	16 (94.12%)	46 (25.00%)	0	0
	Low risk	0	1 (5.88%)	114 (61.96%)	1 (1.08%)	0
	Intermediate risk	0	0	22 (11.96%)	71 (76.34%)	4 (1.78%)
	High risk	0	0	2 (1.09%)	21 (22.58%)	221 (98.22%)