Re. Identification and Validation of Anaphylaxis Using Electronic Health Data in a Population-based Setting

The Authors Respond

“…We appreciate the interest from Chu et al 1 in our validation study on anaphylaxis. 2 After the initial pilot phase of the study, potential events were adjudicated independently by two adjudicators, and cases for which initial responses were discrepant were discussed until consensus was reached.…”

“…Chu et al 1 have misread Tables 1 and 3. Table 1 includes only the anaphylaxis events sampled from groups 1 and 2.…”