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  • Title: Childhood appendicitis: factors associated with perforation.
    Author: Brender JD, Marcuse EK, Koepsell TD, Hatch EI.
    Journal: Pediatrics; 1985 Aug; 76(2):301-6. PubMed ID: 4022704.
    Abstract:
    A retrospective study was performed to identify factors associated with perforation in 150 children with acute appendicitis. The children's parents were interviewed about the nature and timing of care, family history of appendicitis, and history of abdominal pain episodes, and the children's medical records were reviewed. Delay in treatment--the interval between first recognized symptoms of abdominal pain and surgery--was most predictive of perforation. A treatment delay of more than 36 hours was associated with a 65% or greater incidence of perforation. Mean delay for the group with perforation of the appendix was 66.7 hours compared with 35.8 hours for the group having appendicitis without perforation (P less than .01). Mean professional delay was significantly longer in the group with perforated appendicitis than in the group having appendicitis without perforation (P less than .01), but mean parental delay was not. Children aged 1 to 4 years and those aged 5 to 8 years had a 74% and 66% incidence of perforation, respectively, compared with a 30% to 42% incidence in older children (P less than .01). Age had a significant effect upon perforation even when adjusted for delay in treatment. Other factors associated with perforation were family history of appendicitis, social class, advice given by the first health professional contacted, and the presence of fecaliths. When all factors were considered simultaneously by using logistic regression techniques, delay in treatment, age, and absence of a family history of appendicitis were all significant predictors of perforation.
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