Table 1.

Prevalence and characteristics of thyroid abnormalities in the Nijmegen Biomedical Study.1

No. (% of total)Males, n (% of males)Females, n (% of females)Thyroid pathology,2 n (% of group)Positive TPOAbs, n (% of group)
Overt thyrotoxicosis27 (0.4%)7 (0.2%)20 (0.6%)19 (70.4%)11 (40.7%)
Subclinical thyrotoxicosis52 (0.8%)12 (0.4%)40 (1.2%)22 (42.3%)16 (30.8%)
Mildly suppressed TSH and normal FT4202 (3.1%)85 (2.9%)117 (3.4%)28 (13.9%)30 (14.9%)
Euthyroid5838 (90.7%)2762 (92.8%)3076 (89.0%)224 (3.8%)654 (11.2%)
Subclinical hypothyroidism259 (4.0%)90 (3.0%)169 (4.9%)35 (13.5%)159 (61.4%)
Overt hypothyroidism26 (0.4%)5 (0.2%)21 (0.6%)3 (11.5%)23 (88.5%)