Recurrence free survival (RFS) for the cohort of 600 patients treated for multinodular non-toxic goiter by total thyroidectomy (TT), Dunhill operation (DO), and bilateral subtotal thyroidectomy (BST). TT significantly decreased the risk of recurrence when compared to BST: HR 0.795 (0.643–0.982), p < 0.001 at 10 years (log rank test)