Table 2.
The distribution of 5-level EuroQoL-5 dimension version indices (n=279). Cronbach alpha coefficient was .69.
| Statistics | EQ-5D-5La (English value set) | EQ-5D-5L (French 3L-5L crosswalk value set) |
| Theoretical range | –0.28097 to 1 | –0.530 to 1 |
| Observed range | 0.160 to 1 | –0.074 to 1 |
| Mean (SD) | 0.88 (0.14) | 0.83 (0.19) |
| Median (interquartile range) | 0.92 (0.84 to 1.00) | 0.91 (0.71 to 1.00) |
| Kurtosis (SE) | 5.62 (0.29) | 3.26 (0.29) |
| Skewness (SE) | –2.06 (0.15) | –1.63 (0.15) |
| Floor effect (%) | 0 | 0 |
| Ceiling effect (%) | 26.5 | 26.5 |
aEQ-5D-5L: EuroQol-5 Dimensions-5 Levels.