Table 3.

Common and uncommon ECG traits according to the ESC 2010 position statement,⁸ together with multivariate predictors of uncommon ECG findings in West-Asian, black and Caucasian male athletes

	West-Asian (n=800)	Black (n=300)	Caucasian (n=120)	West-Asian controls (n=135)
Common and training-related ECG changes	723 (90.4%)*	279 (94.6%)†	117 (97.6%)‡	105 (77.8%)
Uncommon and training-unrelated ECG changes	63 (7.9%)*	53 (18%)§	5 (5.8%)	0 (0%)
	Univariate		Multivariate¶
	RR (95% CI)	p Value	RR (95% CI)	p Value
Black vs West-Asian	2.56 (1.73 to 3.98)	<0.001	2.65 (1.69 to 4.16)	<0.001
Black vs Caucasian	3.54 (1.56 to 8.02)	0.001	3.1 (1.34 to 7.16)	0.008
West-Asian vs Caucasian	0.73 (0.32 to 1.62)	0.432	0.86 (0.36 to 2.03)	0.856

Values are expressed frequency and (%).

^*West-Asian athletes vs West-Asian controls, p<0.05.

^†Black athletes vs West-Asian athletes, p<0.05.

^‡Caucasian athletes vs West-Asian athletes, p<0.05.

^§Black athletes vs West-Asian and Caucasian athletes, p<0.05.

^¶Adjusted for age, height, body mass and body surface area.