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Demographic information in cohort 2010 and matched cohort 2014.
| Characteristic | Cohort 2010 (n=825) | Matched cohort 2014 (n=1,037) | P-value (2010 vs. matched 2014) | Cohort 2014 |
|---|---|---|---|---|
| Age (years) | 29.1±4.9 | 29.9±4.9 | 0.001 | 29.7±4.2 |
| Weight (kg) | 65.8±10.4 | 67.8±10.4 | <0.001 | 66.3±12.2 |
| Thyroid dysfunction rate (%) | 29.1 | 82.4 | <0.001 | 78.2 |
The age and weight were expressed as mean ± standard deviation.
