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Table 1 Demographic and clinical characteristics at initial visit

From: The Reflux Disease Questionnaire: a measure for assessment of treatment response in clinical trials

 

n = 439

%

Gender

  

   Male

224

51

Age

  

   < 50

188

43

   50–64

166

38

   > 65

85

19

Country

  

   Norway

134

31

   Sweden

305

69

Endoscopic grading

  

   Normal

199

45

   Grade A

135

31

   Grade B

105

24

Method of GERD diagnosis a

  

   Endoscopy

240

55

   pH monitoring

270

62

   Symptom Association

95

22

Total proven diagnoses

354

81

  1. a Percentages do not add up to 100 due to multiple methods of diagnosis.