(a)

	TSH < 2.5 mIU/L, n = 301	TSH ≥ 2.5 mIU/L n = 111	p
TPOAb ≥34 IU/mL	n = 42, 14%	n = 41, 37%	0.001
TgAb ≥115 IU/mL	n = 45, 15%	n = 31, 28%	0.003
TSHRAb ≥1.75 IU/L	n = 15, 5%	n = 2, 2%	0.178