Table 3.
Linear regression analysis of factors influencing patient health-related quality of life (PDQ-8), n = 124.
| Variables | R 2 | Beta | p |
|---|---|---|---|
| Age | 0.0262 | 0.162 | 0.074 |
| Disease duration | 0.1005 | 0.315 | <0.001 ∗∗ |
| MDS-UPDRS total | 0.2209 | 0.472 | <0.001 ∗∗ |
| MDS-UPDRS part I | 0.1910 | 0.478 | <0.001 ∗∗ |
| MDS-UPDRS part II | 0.1892 | 0.440 | <0.001 ∗∗ |
| MDS-UPDRS part III | 0.0999 | 0.319 | <0.001 ∗∗ |
| MDS-UPDRS part IV | 0.0936 | 0.306 | 0.001 ∗∗ |
| MoCA | 0.0566 | −0.240 | 0.008 |
| MoCA-EIS | 0.0882 | −0.296 | 0.001 ∗∗ |
| MoCA-VIS | 0.0784 | −0.247 | 0.006∗ |
| MoCA-AIS | 0.1282 | −0.260 | <0.001 ∗∗ |
| MoCA-OIS | 0.0562 | −0.220 | 0.016∗ |
| MoCA-MIS | 0.0119 | −0.110 | 0.231 |
| MoCA-LIS | 0.0106 | −0.101 | 0.270 |
| BDI | 0.2089 | 0.445 | <0.001 ∗∗ |
Linear regression analysis of factors contributing to patients' health-related quality of life. p value adjustment for multiple comparisons was 0.05/15. ∗Significant correlations at p < 0.05; ∗∗Significance level at p < 0.003 printed in bold. BDI, Beck Depression Inventory; MDS-UPDRS, Movement Disorders Society unified Parkinson's disease rating scale; MoCA, Montreal cognitive assessment scale; EIS, executive index score; VIS, visual index score; AIS, attention index score; OIS, orientation index score; MIS, memory index score; LIS, language index score; PDQ-8, Parkinson's disease questionnaire 8.