Fig. 3
From: Acute and preventive treatment of menstrual migraine: a meta-analysis
a Forest plot of the pain free rate at 2 h after using each triptan (pain killer) versus placebo. OR: odds ratio. b. Network diagram representing the eligible treatment comparisons for the multiple treatment comparison meta-analyses focusing on pain-relief response at 2 h after medication use. The size of nodes represents the number of patients, and line thickness represents the number of trials