Table 1

Demographic and clinical characteristics at initial visit

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 diagnosisa

     Endoscopy
 240
 55
     pH monitoring
 270
 62
     Symptom Association
 95
 22
Total proven diagnoses
 354
 81

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

Shaw et al. Health and Quality of Life Outcomes 2008 6:31   doi:10.1186/1477-7525-6-31