Table 3.
Multiple regression analyses mapping EORTC QLQ-C30 and EORTC QLQ-MY20 data to EQ-5D
|
Predictors |
Full model |
Trimmed model |
||
|---|---|---|---|---|
| Estimate | p -value | Estimate | p -value | |
| QLQ-C30 |
|
|
|
|
| Intercept |
0.11979 |
0.3757 |
0.25763 |
0.0002 |
| Global health status/QoL* |
0.00161 |
0.0568 |
0.00165 |
0.0301 |
| Physical functioning* |
0.00471 |
< 0.0001 |
0.00467 |
< 0.0001 |
| Role functioning |
0.00073194 |
0.3455 |
NS |
NS |
| Emotional functioning |
0.00104 |
0.2522 |
NS |
NS |
| Cognitive functioning |
−0.00037864 |
0.6203 |
NS |
NS |
| Social functioning |
0.00044712 |
0.4983 |
NS |
NS |
| Fatigue |
−0.00005750 |
0.9521 |
NS |
NS |
| Nausea/Vomiting |
0.00053330 |
0.7166 |
NS |
NS |
| Pain* |
−0.00229 |
0.0039 |
−0.00293 |
< 0.0001 |
| Dyspnoea |
0.00037610 |
0.5099 |
NS |
NS |
| Insomnia* |
0.00096618 |
0.0570 |
0.00089197 |
0.0616 |
| Appetite loss |
−0.00047987 |
0.4899 |
NS |
NS |
| Constipation |
−0.00055193 |
0.3057 |
NS |
NS |
| Financial difficulties |
0.00096199 |
0.0613 |
NS |
NS |
| QLQ-MY20 |
|
|
|
|
| Disease symptoms |
−0.00094431 |
0.3983 |
NS |
NS |
| Side effects |
0.00207 |
0.1445 |
NS |
NS |
| Future perspective* |
0.00149 |
0.0366 |
0.00157 |
0.0061 |
| Body image |
−0.00040870 |
0.4607 |
NS |
NS |
| Adjusted R-squared values |
0.7015 |
0.7028 |
||
| RMSE indices | 0.164 | 0.163 | ||
*Significant predictors in the full model.
NS not significant.