Fig. 4From: Models for improved diagnosis of left ventricular hypertrophy based on conventional electrocardiographic criteriaComparison of the Youden indices of the 22 conventional ECG criteria for gender plus age. The line chart summarizes the comparison of Youden indices of the 22 conventional ECG criteria in males <60 years old and ≥60 years old, and females <60 years old and ≥60 years oldBack to article page