Figure 3. Comparison of US Football Athletes Who Developed Concentric Left Ventricular Hypertrophy and Those Without Concentric Left Ventricular Hypertrophy, Adjusted for Race, Height, and Player Position.

The total cohort included 126 individuals. At the end of the third year, 55 athletes were included in the analysis after participant ineligibility from serial enrollment or exclusions for injury or leaving the team.