Table 4.

Degree of thyroid dysfunction vs thyroid peroxidase antibody status in 203 of 380 patients with available thyroid function tests

TSH at onset	TPOAb-positive, No. (%)	TPOAb-negative, No. (%)	Total No. (%)
TSH in normal range	11 (78.6%)	3 (21.4%)	14 (7%)
Subclinical hypothyroidism with TSH 4.1-10 mU/L	74 (75.5%)	24 (24.5%)	98 (48%)
Subclinical hypothyroidism with TSH > 10 mU/L	42 (84.0%)	8 (16.0%)	50 (25%)
Overt hypothyroidism	33 (80.5%)	8 (19.5%)	41 (20%)

Abbreviations: TPOAb, thyroid peroxidase antibody; TSH, thyrotropin.