Key result
No prior myocardial infarction (OR 3.048), female gender (OR 1.978), and age were independent risk factors for normal LV ejection fraction in older patients with congestive heart failure.
Observational (n=572)
No
Effect estimate: OR 1.978
Absolute Event Rate: 56% vs 37%
p-value: p=0.0004
In older patients with CHF, normal LVEF (≥50%) is common (50%) and independently associated with older age, female gender, and absence of prior myocardial infarction.
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Supports suspecting preserved LVEF in older HF patients without prior MI; leaves open prospective validation.
Aronow et al. (1998) conducted an observational in Congestive heart failure associated with prior myocardial infarction or hypertension (n=572). Risk factors (no prior MI, female gender, age) was evaluated on Normal LV ejection fraction (≥50%) (OR 1.978, p=0.0004). No prior myocardial infarction (OR 3.048), female gender (OR 1.978), and age were independent risk factors for normal LV ejection fraction in older patients with congestive heart failure.
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