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Table 1 Baseline demographics and clinical characteristics of the pooled study population (n = 1640)

From: Responsiveness of measures of heartburn improvement in non-erosive reflux disease

Characteristic Patients (%)*
Male:Female 47:53
Age, years  
   <50 54
   50 to <65 34
   ≥ 65 12
History of heartburn episodes  
   <12 months 11
   1–5 years 35
   >5 years 53
Overall heartburn severity during the previous 7 days (investigator-assessed)  
   Mild 21
   Moderate 62
   Severe 18
  1. *Values do not necessarily total 100% due to rounding.