Risk Factors for Anaplastic Thyroid Cancer

Table 2

Personal and family history of examinees.

	Cases		Controls		𝑃^∗
	𝑁	%	𝑁	%
Total	126	100.0	252	100.0
Life in endemic goitre area
Yes	29	23.0	47	18.7	0.3190
No	97	77.0	205	81.3
Goitre
Yes	38	30.2	0	0	0.0000
No	88	69.8	252	100.0
Hyperthyroidism
Yes	1	0.8	0	0	0.6623
No	125	99.2	252	100.0
Thyroiditis
Yes	1	0.8	0	0	0.6623
No	125	99.2	252	100.0
I131 therapy
Yes	1	0.8	0	0	0.6623
No	125	99.2	252	100.0
L-Thyroxin therapy
Yes	5	4.0	0	0	0.1858
No	121	96.0	252	100.0
Nonthyroid malignancies
Yes	11	8.7	11	4.4	0.0936
No	115	91.3	241	95.6
Exposure to chemicals
Yes	3	2.4	12	4.8	0.2731
No	123	97.6	240	95.2
Diabetes
Yes	15	11.9	15	6.0	0.0476
No	111	88.1	237	94.0
Radio therapy
Yes	2	1.6	1	0.4	0.2555
No	124	98.4	251	99.6
Thyroid disease in family
Yes	5	4.0	12	4.8	0.7260
No	121	96.0	240	95.2
Malignancies in family
Yes	16	12.7	25	9.9	0.4141
No	110	87.3	227	90.1

∗Univariate logistic regression analysis.