High Prevalence of Gastroesophageal Reflux Disease in Parkinson’s Disease: A Questionnaire-Based Study

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.