Table 2

Source of GERD diagnosis

n (%)
n2772
PIN1935 (69.8)
DAD598 (21.6)
NACRS66 (2.4)
Physician claims134 (4.8)
Multiple criteria met on same day39 (1.4)
  • DAD, discharge abstract database; GERD, gastro-oesophageal reflux disease; NACRS, National Ambulatory Care Reporting System; PIN, Pharmaceutical Information Network.