Clinical data according to aetiological group
| Diagnosis | No (male) | Guthrie TSH(mU/l) | Age at scans (days) | Day of thyroxine* | TSH at scans(mU/l) |
|---|---|---|---|---|---|
| TSH, thyroid stimulating hormone. | |||||
| Median (range) for each category is shown. | |||||
| *The duration of thyroxine (interval between age at treatment and age at scanning) is shown in column 5. | |||||
| †Except one infant who had scans at 15 months, having started treatment on day 11. | |||||
| Athyreosis | 11 (3) | 258 (146–447) | 16.5 (14–27)† | 7 (4–15) | 47.2 (2.8–204) |
| Ectopia | 12 (3) | 144 (41–465) | 16 (13–49) | 5.5 (0–15) | 48 (5.8–35) |
| Hypoplasia | 8 (0) | 66 (23–255) | 19 (15–243) | 7 (0–12) | 7.7 (1–71.9) |
| Dyshormono genesis | 5 (2) | 49 (16–300) | 17 (17–83) | 7 (0–8) | 37 (5–68) |