KCCQ QUESTIONNAIRE PDF

Overview The Kansas City Cardiomyopathy Questionnaire is a item, self-administered instrument that quantifies physical function, symptoms frequency, severity and recent change , social function, self-efficacy and knowledge, and quality of life. This instrument was developed and validated by John Spertus. In the KCCQ, an overall summary score can be derived from the physical function, symptom frequency and severity , social function and quality of life domains. For each domain, the validity, reproducibility, responsiveness and interpretability have been independently established. Scores are transformed to a range of , in which higher scores reflect better health status. For brevity, only the performance characteristics of the overall summary score are presented in this discussion.

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Overview The Kansas City Cardiomyopathy Questionnaire is a item, self-administered instrument that quantifies physical function, symptoms frequency, severity and recent change , social function, self-efficacy and knowledge, and quality of life. This instrument was developed and validated by John Spertus.

In the KCCQ, an overall summary score can be derived from the physical function, symptom frequency and severity , social function and quality of life domains. For each domain, the validity, reproducibility, responsiveness and interpretability have been independently established. Scores are transformed to a range of , in which higher scores reflect better health status.

For brevity, only the performance characteristics of the overall summary score are presented in this discussion. Validity Validity refers to the degree to which an instrument measures what it is supposed to measure.

Since the validity of each individual domain has been independently established, all components of the summary score are considered valid representations of their intended domains. When compared with the physician-assessed NYHA, the mean KCCQ summary scores are shown in this figure: Reliability and Responsiveness Reliability refers to the ability of a measure to produce consistent results when the measured phenomenon is unchanged.

Responsiveness refers to the ability of a measure to track accurately a phenomenon when it does change. Baseline and 3-month KCCQ overall summary scores were Interpretability Several mechanisms for establishing standards for interpreting scores are available.

One is to examine the prognostic significance of KCCQ scores and the other is to benchmark score changes against clinical assessments of change. To facilitate the interpretation of cross-sectional KCCQ scores, 1, patients assessed 3 months after a myocardial infarction complicated by heart failure were followed for 1 year survival and heart failure hospitalization. The KCCQ change scores were exquisitely reflective of clinical changes in heart failure both in terms of its directionality improvement versus deterioration and proportion-al-ity of change magnitude — as revealed in this figure: For patients experiencing large, moderate and small deteriorations in their condition, KCCQ Overall Summary scores decreased by For those with no, small, moderate and large improvements in their heart failure, the KCCQ scores improved by 1.

The mean change in KCCQ scores was significantly different for all categories of change compared to stable patients. Even those with small clinical deteriorations or improvements This suggests that a mean difference over time of 5 points on the KCCQ Overall Summary Scale reflects a clinically significant change in heart failure status.

An alternative approach to interpreting clinical changes is to appreciate the prognostic significance of changes in scores. These data suggest that a 10 point decline in KCCQ scores has important prognostic significance.

Created: April 29, Last updated: December 16,

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The Kansas City Cardiomyopathy Questionnaire (KCCQ)

There has been a lack of clarity about the best way to conceptualize the KCCQ. The purpose of this investigation of the KCCQ was to: 1 explore the factor structure with an exploratory factor analyses; 2 perform reliability and validity testing to determine the best factor solution for item groupings; and 3 determine the most meaningful components of health status captured by the KCCQ. Two items failed to correspond to a previously identified factor so the independent care subscale was added. Items intending to measure quality of life were loaded in the social interference subscale. Conclusions We recommend eliminating the quality of life subscale and including those items in the social interference subscale, and eliminating the self-efficacy items and re-evaluating the items related to independent care. Keywords: Factor analysis, health-related quality of life, health status, heart failure, psychometric testing, self-efficacy Introduction Heart failure HF is a common clinical syndrome characterized by progressive symptoms of fatigue, dyspnoea, oedema, cognitive impairment, decreased functional capacity, and difficulty performing activities of daily living. The measurement of health status can be challenging due to variations in conceptual definitions and issues unique to specific health problems.

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Kansas City Cardiomyopathy Questionnaire (KCCQ)

Faerisar Since the validity of each individual domain has been independently established, all components of qquestionnaire summary score are considered valid representations of their intended domains. Indexed in Science Citation Index Expanded. Postdischarge quwstionnaire information was gathered through follow-up interview with the patient. None of the comorbidities showed significant difference in the relative frequency between the readmission and nonreadmission group Table 1. These findings may provide some help to guide follow-up strategies towards delivering optimal care, such as encouraging patients with lower KCCQ to have an early follow-up [ 14 ]. The assessment was generally completed within 1—3 days before discharge.

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Psychometric properties of the Kansas City Cardiomyopathy Questionnaire (KCCQ)

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