Table 4 Test-retest reliability between telephone-assessed and self-administered KCCQ-23 for both groups (n = 61).
Group 1 (n = 28) (self-administered questionnaire first) | Group 2 (n = 33) (telephone interview first) | |||
|---|---|---|---|---|
ICC | 95%-CI | ICC | 95%-CI | |
Domains | ||||
Physical limitation | 0.82 | 0.75–0.90 | 0.46 | 0.40–0.52 |
Symptom stability | 0.57 | 0.50–0.65 | 0.28 | 0.22–0.34 |
Symptom frequency | 0.66 | 0.58–0.73 | 0.82 | 0.75–0.88 |
Symptom burden | 0.56 | 0.478–0.63 | 0.74 | 0.68–0.81 |
Self-efficacy | 0.87 | 0.79–0.94 | 0.49 | 0.43–0.55 |
Quality of life | 0.85 | 0.78–0.93 | 0.80 | 0.74–0.87 |
Social limitationsa | 0.62 | 0.54–0.70 | 0.66 | 0.59–0.72 |
Scores | ||||
Total symptom score | 0.60 | 0.52–0.67 | 0.81 | 0.74–0.87 |
Clinical summary score | 0.81 | 0.74–0.89 | 0.78 | 0.72–0.84 |
Overall summary score | 0.84 | 0.76–0.91 | 0.82 | 0.76–0.88 |
