Overall, among the entire group, at the end up one year,
weight was up by 3.95 (
kg 8 3/4
pounds),
to 9.91
kg (22
pounds) after 4 years, with a mean weight gain of approximately 3.66 kg (8 pounds) per year.
The researchers concluded that there was substantial weight gain after treatment for hyperthyroidism, and those who became hypothyroid, despite levothyroxine treatment, gained the most weight.
REFERENCE: Dale, J., Daykin, J.