Fig. 2From: Risk for ischemic stroke and coronary heart disease associated with migraine and migraine medication among older adultsCumulative incidence ischemic stroke, coronary heart disease and cardiovascular events among patients with and without a history of migraine, restricted to those without a history of cardiovascular disease. CHD: coronary heart disease; CVD: cardiovascular disease. The cumulative incidence was calculated accounting for the competing risk of all-cause mortality using the method of Fine and Gray [17].Back to article page