Thyroid cancer among patients with thyroid nodules in Yemen: a three-year retrospective study in a tertiary center and a specialty clinic

Table 4 Association between thyroid cancer and other variables (n = 550)

Variable		Cancer		No cancer		풳2	p-value
Variable		N	%	N	%	풳2	p-value
TSH (mIU/L)						13.22	0.010
	< 0.40	7	14.0	43	86.0
	0.40–0.99	11	9.2	109	90.8
	1.00–1.79	21	10.2	184	89.8
	1.80–4.50	31	22.5	107	77.5
	> 4.50	6	16.2	31	83.8
Nodule number						3.29	0.070
	Single	42	16.7	209	83.3
	Multiple	34	11.4	265	88.6
Nodule size						1.04	0.792
	< 1	0	0.0	1	100.0
	1.0–2.0	15	16.7	75	83.3
	2.1–4.0	42	12.9	284	87.1
	> 4.0	19	14.3	114	85.7
Medications						3.25	0.197
	Thyroxine	9	19.1	38	80.9
	Antithyroid	5	23.8	16	76.2
	No medications	62	12.9	420	87.1
Bethesda stage						160.92	< 0.001
	I	0	0.0	18	100.0
	II	4	1.3	316	98.8
	III	16	20.8	61	79.2
	IV	22	27.2	59	72.8
	V	11	52.4	10	47.6
	VI	18	69.2	8	30.8

ISSN: 1756-6614