Table 1. Regression, recurrence and live birth rate of hysteroscopic resection (HR) and oral progestogens (p).

	Number of studies	Test for Heterogeneity (I2)	Test for Heterogeneity: (tau-squared)	Fixed effect model (effect size, 95% CI)	Random effects model (effect size, 95% CI)	P value
Regression rate						< 0.0001
In HR	6	62.3%	0.0210	0.9682 [0.9237; 0.9938]	0.9806 [0.9032; 1.0000]
In P	45	62.7%	< 0.0001	0.7712 [0.7454; 0.7960]	0.7720 [0.7258; 0.8151]
Recurrence rate						0.0004
In HR	6	62%	0.0221	0.0709 [0.0272; 0.1330]	0.0479 [0.0016; 0.1523]
In P	39	76.5%	< 0.0001	0.3029 [0.2708; 0.3359]	0.3217 [0.2506; 0.3971]
Live birth rate						0.0944
In HR	6	79.4%	0.0002	0.4928 [0.3689; 0.6172]	0.5257 [0.2466; 0.7964]
In P	37	66.9%	< 0.0001	0.3464 [0.3096; 0.3842]	0.3338 [0.2670; 0.4042]