[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 3

Comparison of demographic and clinical characteristics between patients with lesion diameters of ≤1 cm and >1 cm in the tumor group.

Parameters	Lesion diameter		All ()
	≤1 cm ()	>1 cm ()
Age (year)				0.032
Sex				0.348
Male	40 (24.54%)	36 (29.51%)	76 (26.67%)
Female	123 (75.46%)	86 (70.49%)	209 (73.33%)
ACR rating				<0.001
Normal	1 (0.61%)	0 (0.00%)	1 (0.35%)	0.003
Benign	2 (1.23%)	0 (0.00%)	2 (0.71%)
Low risk	13 (7.98%)	5 (4.17%)	18 (6.36%)
Intermediate risk	33 (20.25%)	9 (7.50%)	42 (14.84%)
High risk	114 (69.94%)	106 (88.33%)	220 (77.74%)
ATA rating				<0.001
Benign	1 (0.61%)	0 (0.00%)	1 (0.35%)	<0.001
Very low risk	2 (1.23%)	0 (0.00%)	2 (0.71%)
Low risk	15 (9.20%)	6 (5.04%)	21 (7.45%)
Intermediate risk	41 (25.15%)	10 (8.40%)	51 (18.09%)
High risk	104 (63.80%)	103 (86.55%)	207 (73.40%)
Tumor information
Combined with Hashimoto’s disease	44 (26.99%)	35 (28.69%)	79 (27.72%)	0.752
Lymphatic metastasis	63 (45.99%)	78 (73.58%)	141 (58.02%)	<0.001
Ultrasound
Solid low echo level	137 (84.05%)	109 (89.34%)	246 (86.32%)	0.198
Microcalcification	65 (39.88%)	85 (69.67%)	150 (52.63%)	<0.001
Aspect	36 (22.09%)	11 (9.02%)	47 (16.49%)	0.003
Irregular edges	43 (26.38%)	54 (44.26%)	97 (34.04%)	0.002
Extrathyroidal invasion	17 (11.11%)	39 (34.82%)	56 (21.13%)	<0.001