Why the study?
Are there significant sex differences in electrocardiographic characteristics among healthy adults aged 40 to 59 years?
Population
566 clinically 'healthy' adults (424 men, 142 women), ages 40 through 59 years
Design
Cross-sectional
Authors
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Sex-specific ECG norms may warrant consideration in adults 40-59 years; hypothesis-generating for diagnostic impact pending prospective validation.
Are there significant sex differences in electrocardiographic characteristics among healthy adults aged 40 to 59 years?
Significant sex differences exist in normal ECG parameters, indicating that standard ECG criteria derived from men are not valid for women.
Simonson et al. (1960) studied this question.
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