Table 1.

Changes in TRAb after treatment with radioiodine and relation to clinical parameters

Fold change TRAb	<1.1	>1.1	p value*
Females	82 (31)	78 (58)	0.69
Males	18 (7)	22 (16)	0.69
Median age females and males, years	52	56	0.63
Median age females, years	51	52	0.46
Smokers	11 (4)	23 (17)	0.11
Nonsmokers	89 (34)	77 (57)	0.11
Born in Sweden	82 (31)	70 (52)	0.18
Born outside Sweden	18 (7)	30 (22)	0.18
Treatment with corticosteroids	26 (10)	16 (12)	0.20
Treatment with >120 Gy	21 (8)	20 (15)	0.92
Median duration of disease (range), months	10 (1–132)	–	0.56
Primary treatment with ATD	66	55	0.29

Values are presented as % (n), unless otherwise stated.* x² test.