Dollars and sense of interval appendectomy in children: A cost analysis

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Abstract

Purpose: Although initial nonoperative management of focal, perforated appendicitis in children is increasingly practiced, the need for subsequent interval appendectomy remains debated. We hypothesized that cost comparison would favor continued nonoperative management over routine interval appendectomy. Methods: Decision tree analysis was used to compare continued nonoperative management with routine interval appendectomy after initial success with nonoperative management of perforated appendicitis. Outcome probabilities were obtained from literature review and cost estimates from the Kid's Inpatient Database. Sensitivity analyses were performed on the 2 most influential variables in the model, the probability of successful nonoperative management and the costs associated with successful observation. Monte Carlo simulation was performed using the range of cost estimates. Results: Costs for continued nonoperative observation were estimated at $3080.78 as compared to $5034.58 for the interval appendectomy. Sensitivity analysis confirms a cost savings for nonoperative management as long as the likelihood of successful observation exceeds 60%. As the cost of nonoperative management increased, the required probability for its success also increased. Using wide distributions for both probability estimates as well as costs, Monte Carlo simulation favored continued observation in 75% of scenarios. Conclusion: Continued nonoperative management has a cost advantage over routine interval appendectomy after initial success with conservative management in children with focal, perforated appendicitis.

Original languageEnglish (US)
Pages (from-to)1817-1825
Number of pages9
JournalJournal of pediatric surgery
Volume45
Issue number9
DOIs
StatePublished - Sep 1 2010

Keywords

  • Children
  • Cost analysis
  • Interval appendectomy
  • Perforated appendicitis

ASJC Scopus subject areas

  • Surgery
  • Pediatrics, Perinatology, and Child Health

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