Fig. 1From: The clinical features and prognosis of infective endocarditis in the elderly from 2007 to 2016 in a tertiary hospital in ChinaFigure One-year survival analysis for patients≥65 years old The Kaplan–Meier survival curves revealed that cumulative one-year survival rate was higher in old patients with surgical intervention than that in patients without surgical intervention (95.8% vs 68.6%, P = 0.007)Back to article page