Table 1.
Clinical Characteristics of the Participants
| Group A | Group B | p value | |
|---|---|---|---|
| Thyroid Status at Initial Survey Recruitment | Hyperthyroid | Euthyroid | |
| n (male:female) | 86 (16:70) | 33 (3:30) | |
| Treatment duration | Within 1 month | 1–20 years | < 0.001 |
| Age (y) | 47.2 ± 14.2 | 51.7 ± 16.8 | 0.184 |
| TSH (µIU/mL) (0.35–4.94)a | < 0.001 | 1.69 ± 1.16 | < 0.001 |
| FT3 (pg/mL) (1.71–3.71)a | 5.73 ± 4.48 | 2.52 ± 0.31 | < 0.001 |
| FT4 (ng/dL) (0.70–1.48)a | 1.76 ± 0.83 | 0.95 ± 0.12 | < 0.001 |
| First survey returned, n (%) | 65 (76) | 28 (85) | 0.260 |
| Second survey recruitment n (male:female) | 54 (10:44) | 11 (1:10) | 0.419 |
| Second survey returned, n (%) | 36 (67) | 11 (100) | 0.005 |
Notes: Age and serum levels of TSH, FT3, and FT4 are presented as mean ± standard deviation. aReference range.