Ref (type)	Population	Outcome, Interventions	Results and statistical analysis	Effect size	Favours
Restriction of daily activities
Systematic review	306 women 5 RCTs in this analysis	Interference with daily activities with NSAIDs with placebo Absolute results not reported	OR 0.32 95% CI 0.21 to 0.50 P <0.0001 Data also included 1 RCT of aspirin	Moderate effect size	NSAIDs
Absence from work or school
Systematic review	235 women 4 RCTs in this analysis	Absence from work or school with NSAIDs with placebo Absolute results not reported	OR 0.18 95% CI 0.10 to 0.32 P <0.00001	Large effect size	NSAIDs