Comparison 3. LUNA versus LPSN.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Pain relief ‐ up to 6 months	1	68	Odds Ratio (M‐H, Fixed, 95% CI)	0.67 [0.17, 2.61]
1.1 Primary dysmenorrhoea	1	68	Odds Ratio (M‐H, Fixed, 95% CI)	0.67 [0.17, 2.61]
2 Pain relief ‐ up to 12 months	1	68	Odds Ratio (M‐H, Fixed, 95% CI)	0.10 [0.03, 0.32]
2.1 Primary dysmenorrhoea	1	68	Odds Ratio (M‐H, Fixed, 95% CI)	0.10 [0.03, 0.32]
3 Adverse effects	1		Peto Odds Ratio (Peto, Fixed, 95% CI)	Subtotals only
3.3 Primary dysmenorrhoea	1	68	Peto Odds Ratio (Peto, Fixed, 95% CI)	0.02 [0.01, 0.06]