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Figure 4 Abnormal ECG With Respect to Race and Player Position

*p < 0.05 for comparisons by race; only 1 black athlete at this position (electrocardiogram [ECG] was abnormal). DB = defensive back; DL = defensive lineman; LB = linebacker; OL = offensive lineman; PK = place kicker; QB = quarterback; RB = running back; TE = tight end; WR = wide receiver.