Thyroid Hormones, Autoantibodies, Ultrasonography, and Clinical Parameters for Predicting Thyroid Cancer

Table 6

Ultrasonographic characteristics of cervical lymph nodes and histological diagnoses.

Ultrasonographic characteristics	Histological diagnosis of thyroid nodules				Lymph nodes metastasis
	Benign	Malignant	OR (95% CI)		Present	Absent	OR (95% CI)
Longest diameter			2.55 (1.47–4.42)	0.001			1.86 (0.54–6.44)	NS
≥15 mm	191	77			40	27
<15 mm	120	19			11	4
Shortest diameter			2.08 (1.28–3.37)	0.003			0.84 (0.31–2.27)	NS
≥5 mm	160	66			38	22
<5 mm	151	30			13	9
L/S ratio			4.11 (2.14–7.87)	<0.001			3.38 (1.02–11.21)	0.04
>2	290	74			17	4
<2	21	22			34	27
Margins			3.34 (0.47–24.04)	NS			1.66 (0.1–27.41)	NS
Blurred	2	2			1	1
Defined	331	99			53	32
Fusion			24.80 (3.01–204.08)	<0.001			1.70 (1.42–2.05)	0.031
Present	1	7			7	0
Absent	333	94			47	33
Vascularity			2.03 (1.26–3.26)	0.003			0.59 (0.24–1.48)	NS
Present	176	70			39	20
Absent	158	31			15	13
Calcification			48.39 (6.25–374.84)	<0.001			0.28 (0.06–1.39)	NS
Present	0	12			10	2
Absent	334	89			44	31

L/S ratio: large axis to small axis ratio.