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Baseline characteristics
| Characteristics | Congenital hypothyroidism (n=41) | |
|---|---|---|
| Gender | n (%) | |
| Boy | 24 (58.5) | |
| Girl | 17 (41.5) | |
| Age of initial treatment (month) | Median (IQR) | 12.0 (1.0-80.0) |
| Length of treatment (month) | Median (IQR) | 20.0 (6.0-54.0) |
| Initial LT4 doses | n (%) | |
| ≤10 mcg/kgBW | 12 (29.3) | |
| >10 mcg/kgBW | 29 (70.7) | |
| Type of hypothyroidism | n (%) | |
| Peripheral | 6 (14.6) | |
| Central | 35 (85.4) | |
| Comorbid | n (%) | |
| Congenital heart disease | 11 (26.8) | |
| Down syndrome | 3 (7.3) | |
| Without comorbid | 27 (65.9) | |
IQR: interquartile range