Benefits of Long-Term Continuation of Low-Dose Methimazole Therapy in the Prevention of Recurrent Hyperthyroidism in Graves’ Hyperthyroid Patients: A Randomized Prospective Controlled Study

Table 4

Multivariate analyses of factors associated with recurrent hyperthyroidism in 173 Graves’ hyperthyroid patients who were eligible for analyses at the end of the study.

Factors	Hazard ratio	value	95% CI
Continuation of low-dose methimazole	0.26	0.007	0.10–0.70
Age onset of hyperthyroidism before 40 years old	2.9	0.015	1.23–6.88