Comparison 4. NSAIDs versus danazol.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Menstrual blood loss (MBL) (mL/cycle)	3	79	Mean Difference (IV, Fixed, 95% CI)	45.06 [18.73, 71.39]
2 Proportion with no improvement in quality of life or dysmenorrhoea (or both)	1	28	Peto Odds Ratio (Peto, Fixed, 95% CI)	1.19 [0.20, 7.05]
3 Number of days' bleeding	2	53	Mean Difference (IV, Fixed, 95% CI)	1.03 [0.26, 1.80]
4 Proportion who found treatment unacceptable	1	40	Peto Odds Ratio (Peto, Fixed, 95% CI)	0.82 [0.24, 2.80]
5 Adverse events	1	40	Peto Odds Ratio (Peto, Fixed, 95% CI)	0.17 [0.05, 0.59]