Prevalence and Prognostic Value of Early Repolarization in Low Risk Surgical Patients

Table 1

Characteristics of the subjects with and without early repolarization pattern in preoperative ECG.

	Early repolarization (+)	Early repolarization (−)	value
Number of subjects	219	2809
Age (yr)	53.6 ± 18.1	56.6 ± 16.0	0.008
Male	154 (70.3%)	1170 (41.7%)	<0.001
Duration of anesthesia (min)	268 ± 190	267 ± 183	0.95
	Low: 82 (37.4%)	Low: 916 (32.6%)
Surgical risk	Intermediate: 136 (62.1%)	Intermediate: 1887 (67.2%)	0.25
	High: 1 (0.5%)	High: 6 (0.2%)
Hypertension	37 (16.9%)	666 (23.7%)	0.021
Diabetes mellitus	18 (8.2%)	260 (9.3%)	0.27
Current smoker	29 (13.2%)	321 (11.4%)	0.43
Ex-smoker	23 (10.5%)	233 (8.3%)	0.27
Medication	33 (15.1%)	599 (21.3%)	0.023

Age is expressed as mean ± SD. Other values are expressed as number (%).
, compared with the no early repolarization group.