Key result
Age over 75 in AF linked to ~76% lower warfarin use among eligible candidates.
Why the study?
Risk assessment before anticoagulation in atrial fibrillation is important for effective stroke prevention, but the contribution of clinical and echocardiography criteria to treatment decisions is unclear.
Observational (n=234)
Absolute Event Rate: 12% vs 51%
p-value: p=<0.001
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Clinical criteria alone guide most anticoagulation decisions in AF; leaves open limited ECHO role in younger patients without risks.
Kalra et al. (1999) conducted an observational in Atrial Fibrillation (n=234). Age >75 years vs. Age ≤75 years was evaluated on Warfarin use among eligible patients (p=<0.001). Older age (>75 years) in atrial fibrillation patients was associated with significantly lower warfarin use among eligible candidates compared to those ≤75 years (12% vs 51%, P<0.001).
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