| EQ-5D-5L | EQ-5D-CW | SF-6D |
---|
Concurrent validity |
Baseline |
GHCr-index | 0.48 | 0.46 | 0.42 |
EQ-VAS | 0.74 | 0.68 | 0.70 |
Follow-up |
GHCr-index | 0.52 | 0.56 | 0.50 |
EQ-VAS | 0.55 | 0.58 | 0.64 |
Predictive validitya |
GHCr-index | 0.25 | 0.22 | 0.31 |
EQ-VAS | 0.31 | 0.28 | 0.46 |
- aCorrelations between utility instruments at baseline and criteria variables at follow-up, which are classified as weak (ρ < 0.25), fair (0.25 to 0.50), good (0.50 to 0.75), and excellent (> 0.75). EQ-5D-5L EuroQol 5-dimensional 5-level questionnaire; EQ-5D-CW EQ-5D cross-walk value set; SF-6D Short-form 6-dimension; GHCr (reversed) general health complaints; EQ-VAS, (EuroQol) visual analogue scale