In a retrospective review of 79 pediatric and adolescent patient presenting with caustic ingestion from 1971-1983, what percentage of patients went on to develop esophageal stricture?
According to the cited referecence, the frequency of development of stricture in this group of patients was 4%.
Crain EF, Gershel JC, Mezey AP. Caustic ingestions. Symptoms as predictors of esophageal injury. Am J Dis Child. 1984;138(9):863-865. doi:10.1001/archpedi.1984.02140470061020