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

Table 1

The frequency scale for symptoms of gastroesophageal reflux disease.

	Frequency
	Never	Occasionally	Sometimes	Often	Always
(1)  Do you get heartburn?	0	1	2	3	4
(2) Does your stomach get bloated?	0	1	2	3	4
(3) Does your stomach ever feel heavy after meals?	0	1	2	3	4
(4) Do you sometimes subconsciously rub your chest with your hand?	0	1	2	3	4
(5) Do you ever feel sick after meals?	0	1	2	3	4
(6) Do you get heartburn after meals?	0	1	2	3	4
(7) Do you have an unusual (e.g., burning) sensation in your throat?	0	1	2	3	4
(8) Do you feel full while eating meals?	0	1	2	3	4
(9) Do some things get stuck when you swallow?	0	1	2	3	4
(10) Do you get bitter liquid (acid) coming up into your throat?	0	1	2	3	4
(11)  Do you burp a lot?	0	1	2	3	4
(12) Do you get heartburn if you bend over?	0	1	2	3	4