Comparison 5. Triphasic LNG 50‐75‐125 μg/ EE 30‐40‐30 μg versus monophasic NETA 1500 μg/ EE 30 g.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Proportion of cycles with intermenstrual bleeding within 6 cycles	1	987	Odds Ratio (M‐H, Random, 95% CI)	0.76 [0.56, 1.01]
2 Proportion of cycles with amenorrhea within 6 cycles	1	987	Odds Ratio (M‐H, Random, 95% CI)	0.02 [0.00, 0.18]
3 Total discontinuation within 6 cycles	1	236	Odds Ratio (M‐H, Random, 95% CI)	0.87 [0.52, 1.47]