Comparison 3. Bilateral subtotal thyroidectomy versus the Dunhill procedure.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Rate of recurrent hyperthyroidism	3	592	Peto Odds Ratio (Peto, Fixed, 95% CI)	2.73 [1.28, 5.85]
2 Permanent hypocalcaemia/hypoparathyroidism	3	592	Peto Odds Ratio (Peto, Fixed, 95% CI)	1.90 [0.47, 7.71]
3 Permanent recurrent laryngeal nerve palsy	3		Peto Odds Ratio (Peto, Fixed, 95% CI)	Totals not selected
4 Regression of Graves' ophthalmopathy	2	90	Odds Ratio (M‐H, Fixed, 95% CI)	0.78 [0.32, 1.92]