Summary of results: complete relief of functional disability at two hours
	Baseline pain	Studies	Attacks treated	Treatment (%)	Comparator (%)	Risk ratio (95% CI)	NNT (95% CI)
Sumatriptan plus naproxen 85/500 mg vs placebo	mild	2	981	42	14	2.9 (2.3 to 3.7)	3.7 (3.1 to 4.6))
Sumatriptan plus naproxen 85/500 mg vs placebo	≥ mod	3	1984	25	7.3	3.4 (2.6 to 4.3)	5.8 (4.9 to 7.0)
Sumatriptan plus naproxen 85/500 mg vs sumatriptan 85 mg	≥ mod	2	1354	32	23	1.4 (1.2 to 1.7)	11 (7.1 to 21)
Sumatriptan plus naproxen 85/500 mg vs naproxen 500 mg	≥ mod	2	1352	32	20	1.6 (1.4 to 2.0)	8.0 (5.9 to 13)
CI: confidence interval; mod: moderate; NNT: number needed to treat for an additional beneficial outcome.