Table 3 Test-retest reliability between telephone-assessed and self-administered KCCQ-23 (n = 61).

From: Reliability of a German version of the Kansas City Cardiomyopathy Questionnaire (KCCQ) administered via telephone

 

ICC

95%-CI

Domains

 Physical limitation

0.65

0.62–0.69

 Symptom stability

0.44

0.41–0.47

 Symptom frequency

0.77

0.74–0.80

 Symptom burden

0.69

0.66–0.72

 Self-efficacy

0.66

0.63–0.70

 Quality of life

0.84

0.81–0.88

 Social limitationsa

0.67

0.64–0.71

Scores

 Total symptom score

0.75

0.72–0.79

 Clinical summary score

0.80

0.77–0.84

 Overall summary score

0.83

0.80–0.86

  1. KCCQ Kansas City Cardiomyopathy Questionnaire, ICC non parametric intraclass correlation coefficient, CI confidence interval.
  2. an = 60.