Possible Effects of Perchlorate Contamination of Drinking Water on Thyroid Health

Table 4

Thyroid status of subjects from the contaminated and control areas (Univariate analysis).

Thyroid status of subjects	Contaminated area	Control area	value
	n (%)	n (%)
Hypothyroid	11 (4.1)	9 (3.3)	0.740
Euthyroid	257 (94.4)	255 (94.5)
Hyperthyroid	4 (1.5)	6 (2.2)