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Type: Artigo de periódico
Title: Impact of the disease: acceptability, ceiling and floor effects and reliability of an instrument on heart failure
Author: Rodrigues, SDL
Rodrigues, RCM
Sao-Joao, TM
Pavan, RBB
Padilha, KM
Gallani, MC
Abstract: This study evaluated the acceptability, ceiling/floor effects, and the reliability of the instrument for measuring the Impact of the Disease on the Daily Life of Patients with Valvular Disease (IDCV) when applied to 135 patients with heart failure (HF). Acceptability was evaluated by the percentage of unanswered items and by the proportion of patients who responded to all items; the ceiling/floor effects by the percentage of patients who scored in the top of 10% best and worst results of the scale, respectively. Reliability was estimated by internal consistency (Cronbach's alpha coefficient) and stability of the measure (intraclass correlation coefficient - ICC). All patients responded to all items. Ceiling/floor effects evidenced were of moderate magnitude. The Cronbach's alpha was satisfactory for the majority of the domains and ICC>0.90 in all the domains. The IDCV proved to be an easy to understand questionnaire, with evidence of reliability in patients with HF.
Subject: Heart failure
Nursing care
Validation studies
Reproducibility of results
Country: Brasil
Editor: Univ Sao Paolo
Rights: aberto
Identifier DOI: 10.1590/S0080-623420130000500012
Date Issue: 2013
Appears in Collections:Artigos e Materiais de Revistas Científicas - Unicamp

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