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Test-retest reliability of EQ-5D
| Kappa-statistic | ICC | |
|---|---|---|
| EQ-5D self classifier | ||
| Mobility | 0.73 | |
| Self-care | 0.49 | |
| Usual activities | 0.66 | |
| Pain/discomfort | 0.92 | |
| Anxiety/depression | 0.72 | |
| EQ-5D index | 0.95 | |
| EQ-VAS | 0.92 | |
ICC, Intraclass correlation coefficient; VAS, visual analogue scale
ICC > 0.70 is considered acceptable. Kappa statistics > 0.75 indicates excellent agreement, < 0.40 poor, and between 0.40 and 0.75 fair-to-good
