Table 1.

Demographics of Included and Excluded Subpopulations

	Included (869)	Excluded (63)	p
Pretreatment TSH (mU/L)	1.75±0.94	2.88±4.2	<0.0001
Sex (male)	59.3%	47.7%	0.07
Ethnicity (white/other)	54.9%/45.1%	55.6%/44.4%	0.92
Smoking (current)	37.2%	38.1%	0.88
Iodine excess	58.9%	61.9%	0.64
Age (years)	44.3±11.3	46.9±10.3	0.08
Body mass index	25.9±4.9	26.9±5.5	0.17
Genotype 2	45.7%	47.6%	0.77
Sustained viral response	81.2%	85.7%	0.38
Fibrosis (none/severe)	80.3%/6.5%	87.1%/3.2%	0.19
Duration of infection (years)	4.5±5.5	5.0±5.3	0.52
Duration of therapy (weeks)	23.1±3.6	23.2±3.2	0.90

Excluded subjects were not different from the included euthyroid subjects except in having a higher rate of abnormal TSH (a specific exclusion criteria). Values are proportions, or means and standard deviation. All p-values represent the results of a proportion test or two-sided T-test as appropriate.

TSH, thyrotropin.