Comparison 2. Total thyroidectomy versus bilateral subtotal thyroidectomy.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Rate of recurrent hyperthyroidism	2	300	Peto Odds Ratio (Peto, Fixed, 95% CI)	0.13 [0.04, 0.44]
2 Permanent hypocalcaemia/hypoparathyroidism	2	300	Peto Odds Ratio (Peto, Fixed, 95% CI)	2.04 [0.53, 7.85]
3 Permanent recurrent laryngeal nerve palsy	2	300	Peto Odds Ratio (Peto, Fixed, 95% CI)	1.0 [0.14, 7.15]
4 Regression of Graves' ophthalmopathy	2	260	Odds Ratio (M‐H, Fixed, 95% CI)	1.19 [0.64, 2.21]