Aetiology of acquired hypothyroidism | Number (%) |
Hashimoto's—hypothyroid presentation | 43 (49) |
Hashimoto's—thyrotoxic presentation | 7 (8) |
Graves' disease—thyroid stimulating antibodies positive | 8 (9) |
Secondary to malignancy | 7 (8) |
Idiopathic hypothyroidism | 22 (25) |
Total | 87 (100) |