Table 1.

Patient and thyroid nodule characteristics.

	Non-hemorrhage group (n = 42)	Hemorrhage group (n = 59)	P value
Patient characteristics
Age (years)‡	55.29 ± 2.08	54.25 ± 1.58	.321
Gender			.453
Male	14 (33.3%)	24 (40.7%)
Female	28 (66.7%)	35 (59.3%)
Fllow-up time (month)‡	16.17 ± 0.68	16.68 ± 0.53	.475
Nodule characteristics∗
Nodule size (mm)‡	16.19 ± 0.67	16.66 ± 0.54	.763
Nodule blood supply type†			<.001
scanty blood supply	35 (83.3%)	14 (23.7%)
abundant blood supply	7 (16.7%)	45 (76.3%)
Nodule solid components			.056
Predominantly solid	28 (66.7%)	28 (47.5%)
Predominantly cystic	14 (33.3%)	31 (52.5%)
Spongiform content			<.001
Yes	8 (19.0%)	36 (61.0%)
No	34 (81%)	23 (39.0%)
Internal solid portion
Margin			.045
Smooth	27 (64.3%)	26 (44.1%)
Non-smooth	15 (45.7%)	33 (55.9%)
Echogenecity			.291
Hypoechoic	11 (26.2%)	23 (39.0%)
Isoechoic	27 (64.3%)	31 (52.5%)
Hyperechoic	6 (9.5%)	5 (8.5%)
Calcification			.364
Yes	6 (14.3%)	4 (6.8%)
No	36 (85.7%)	55 (93.2%)