Key result
The Duke Activity Status Index demonstrated high internal consistency (Cronbach's alpha=0.86) and significant construct validity for measuring functional status in patients with heart failure.
Why the study?
Is the Duke Activity Status Index (DASI) a valid and reliable measure of functional status in patients with heart failure?
Observational (n=297)
Is the Duke Activity Status Index (DASI) a valid and reliable measure of functional status in patients with heart failure?
Effect estimate: Cronbach's alpha 0.86
The Duke Activity Status Index is a valid and reliable self-administered instrument for evaluating functional status in patients with heart failure.
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Supports DASI for functional status assessment in HF; extends validation data but prospective studies needed before routine use.
Fan et al. (2014) conducted an observational in Heart failure (n=297). Duke Activity Status Index (DASI) was evaluated on Internal consistency reliability (Cronbach's alpha 0.86). The Duke Activity Status Index demonstrated high internal consistency (Cronbach's alpha=0.86) and significant construct validity for measuring functional status in patients with heart failure.
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