Table 3.

Thyroid stiffness acoustic radiation force impulse measurements according to thyroid stimulating hormone levels

	ARFI values in patients with normal TSH (m/s)	ARFI values in patients with abnormal TSH (m/s)	P value
All patients	2.35 ± 0.49 (20 patients)	2.64 ± 0.56 (46 patients)	0.04
GD	2.12 ± 0.27 (6 patients)	2.67 ± 0.51 (29 patients)	0.01
CAT	2.42 ± 0.55 (11 patients)	2.49 ± 0.52 (14 patients)	0.74

GD: Graves’ disease; CAT: Chronic autoimmune thyroiditis; ARFI: Acoustic radiation force impulse; TSH: thyroid stimulating hormone; m/s: Meters/second.