Table 4
Correlation between the new QLSM modules and other established quality of life instruments
| QLSM-A | QLSM-G | QLSM-MD | QLSM-DBS | ||
|---|---|---|---|---|---|
| EQ-5D, EuroQol questionnaire17; NA, not applicable; SF-36, Medical outcome study 36 item short form health survey. | |||||
| SF-36 MOS health scale | |||||
| Physical component summary | 0.43 | 0.67 | 0.59 | 0.32 | |
| Mental component summary | 0.47 | 0.64 | 0.63 | 0.36 | |
| EQ-5D | |||||
| EQ-5D index value | 0.49 | 0.67 | 0.68 | 0.46 | |
| EQ VAS score | 0.32 | 0.56 | 0.49 | 0.34 | |
| Questions on life satisfaction modules | |||||
| General life satisfaction (QLSM-A) | NA | NA | 0.53 | 0.50 | |
| Satisfaction with health (QLSM-G) | NA | NA | 0.75 | 0.62 | |
| Satisfaction with movement disorder (QLSM-MD) | NA | NA | NA | 0.65 | |
| Satisfaction with neurostimulation (QLSM-DBS) | NA | NA | 0.65 | NA | |
