Table 3.
Logistic regression analysis of factors associated with PD-D.
| B | OR | 95% CI | P | |
|---|---|---|---|---|
| Age of onset | −0.033 | 0.967 | 0.935–1.000 | 0.052 |
| UPDRS III score | 0.049 | 1.050 | 1.020–1.082 | 0.001* |
| PIGD type | −3.611 | 0.027 | 0.007–0.106 | <0.001** |
| HAMA score | 0.285 | 1.330 | 1.216–1.454 | <0.001** |
| FS score | 0.111 | 1.117 | 1.005–1.241 | 0.040* |
| RBDSQ score | 0.078 | 1.081 | 0.988–1.241 | 0.090 |
| Constant number | −1.611 | 0.200 | 0.152 |
*
P < 0.05,
**
P < 0.01. UPDRS III, Unified Parkinson's Disease Rating Scale III; PIGD, postural instability/gait difficulty; HAMA, the 14-item Hamilton Anxiety Scale; FS, the 14-item Chalder Fatigue Scale; RBDSQ, the Rapid Eye Movement Sleep Behavior Disorder Screening Questionnaire; B, regression coefficient or intercept; OR, odds ratio; CI, confidence interval.