Fig. 1From: Prognostic implications of valvular heart disease in patients with non-valvular atrial fibrillationFlowchart of patient population. VHD, valvular heart disease. *Significant VHD represents moderate/severe valve lesions. The categories of VHD are not mutually exclusive. Patients with significant VHD may have multiple moderate/severe valve lesions, while patients with no/mild VHD may have multiple mild valve lesions or no VHDBack to article page