Table 1 Demographics of evaluable subjects
| Ā | Men | Women | Total |
|---|---|---|---|
Number (%) of participants | 147 (18.5) | 647 (81.5) | 794 (100) |
Age range (mean) in years | 20 ā 86 (56.6) | 20 ā 87 (50.9) | 20 ā 87 (51.9) |
Number (%) reporting a family history of thyroid disease | 44 (30.3) | 290 (45.2) | 334 (42.4) |
Range of TSH values in Ī¼IU/ml | < 0.03 ā 582 | < 0.03 ā 128 | < 0.03 ā 582 |
ā50th percentile (TSH in Ī¼IU/ml) | Ā | Ā | 2.2 |
ā75th percentile (TSH in Ī¼IU/ml) | Ā | Ā | 3.7 |
ā90th percentile (TSH in Ī¼IU/ml) | Ā | Ā | 6.7 |
Number (%) of TSHā<ā0.4 Ī¼IU/ml | 9 (6.1) | 37 (5.7) | 46 (5.8) |
Number (%) of TSHā>ā5.5 Ī¼IU/ml | 16 (10.9) | 86 (13.3) | 102 (12.8) |
Number (%) of TSHā>ā10 Ī¼IU/ml | 6 (4.1) | 39 (6.0) | 45 (5.7) |
Number (%) of participants on thyroid medication | 12 (8.2) | 94 (14.5) | 106 (13.4) |
Number (%) on thyroid medication who are euthyroid | 6 (50.0) | 49 (52.1) | 55 (51.9) |