| 5-Point Scale | QoL Score | Distribution in (%) | |
| Lower Limit | Higher Limit | ||
| Significantly below Average QoL | 43.5 | 57.0 | 0.0 |
| Below Average QoL | 57.0 | 70.5 | 5.70 |
| Average QoL | 70.5 | 97.4 | 70.00 |
| Above Average QoL | 97.4 | 110.9 | 8.60 |
| Significantly above Average QoL | 110.9 | 124.4 | 5.70 |