The KCCQ-12 is a feasible, shorter alternative to the original 23-item KCCQ that maintains its psychometric properties.
Supports KCCQ-12 adoption in registries and trials; leaves open effects on decision-making without randomized confirmation.
The KCCQ-12 is a shorter version of the original 23-item instrument that should be more feasible to implement while preserving the psychometric properties of the full instrument.
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Spertus et al. (2015) studied this question.
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