Table 1

 Age of patients with various forms of GORD

ICD code GORD form n Age (years) SD
VA population341145357.5NA
530.1Oesophagitis10839760.612.6
530.2Oesophageal ulcer1601162.211.9
530.3Oesophageal stricture2250764.210.8
552.3Strictured hiatus hernia104962.912.4
553.3Hiatus hernia10435661.512.3
787.1Pyrosis177361.911.6
  • Source: patient treatment files 1981–94.