The risk of developing appendicitis.
D000293:Adolescent; D000328:Adult; D000368:Aged; D001064:Appendicitis / Q000453:epidemiology*; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009017:Morbidity; D009520:New Zealand