Comparison 47. Norgestimate 180‐215‐250 µg and EE 25 µg versus norethindrone acetate 1 mg and EE 20 µg.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Weight gain >=5% (cycle 6)	1	2157	Peto Odds Ratio (Peto, Fixed, 95% CI)	1.15 [0.91, 1.45]
2 Weight gain >=5% (cycle 13)	1	453	Peto Odds Ratio (Peto, Fixed, 95% CI)	1.09 [0.69, 1.74]
3 Weight loss >=5% (cycle 6)	1	2157	Peto Odds Ratio (Peto, Fixed, 95% CI)	0.99 [0.72, 1.37]
4 Weight loss >=5% (cycle 13)	1	453	Peto Odds Ratio (Peto, Fixed, 95% CI)	1.32 [0.74, 2.34]