Table 2. Baseline ECG abnormalities and outcomes for the study group.

	APC
	No	Yes
	(n = 7628)	(n = 64)	p
Total death, n (%)	1181 (15.5%)	30 (46.9%)	<0.001
CVD death, n (%)	326 (4.3%)	12 (18.8%)	<0.001
CHD death, n (%)	67 (0.9%)	1 (1.6%)	0.388
HF death, n (%)	69 (0.9%)	4 (6.3%)	<0.001
Stroke death, n (%)	133 (1.7%)	5 (7.8%)	<0.001

Abbreviations: ECG, electrocardiogram; APC, atrial premature complex; CVD, cardiovascular disease; CHD, coronary heart disease; HF, heart failure. All values are expressed as a number with the percentage of participants in parentheses.

The statistical differences were evaluated using a log-rank test.