Figure 1From: Family history as a risk factor for recurrent hospitalization for lone atrial fibrillation: a nationwide family study in Sweden A (left) Survivorship function for model 1.A, i.e. parental history of AF (yes/no). B (right) Survivorship function for model 2.A, ie. sibling history of AF (yes/no). Note that the survivorship function for men with sibling history of AF overlaps with the survivorship function for women with sibling history of AF.Back to article page