Table 4.
Results of multiple logistic regression analysis of GERD in Parkinson's disease.
| Odds ratio | 95% CI | P value | |
|---|---|---|---|
| Gender | 0.68 | 0.09–5.32 | NS |
| Age | 1.95 | 0.31–12.09 | NS |
| Disease duration | 1.00 | 0.99–1.01 | NS |
| Wearing-off phenomenon | 3.47 | 0.37–32.85 | NS |
| UPDRS part II | 1.35 | 1.03–1.77 | 0.03 |
| PDQ-39 | 1.00 | 0.94–1.05 | NS |
| NMSS | 1.05 | 1.00–1.10 | 0.05 |
NS: no significance; GERD: gastroesophageal reflux disease; CI: confidence interval; UPDRS: unified Parkinson's disease rating scale; PDQ-39: Parkinson's disease questionnaire-39; NMSS: nonmotor symptom scale.