Comparison of Pediatric Intracapsular Tonsillectomy and Extracapsular Tonsillectomy: A Cost and Utility Decision Analysis.

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Comparison of Pediatric Intracapsular Tonsillectomy and Extracapsular Tonsillectomy: A Cost and Utility Decision Analysis.

Otolaryngol Head Neck Surg. 2018 Feb 01;:194599818760513

Authors: Baik G, Brietzke SE

Abstract
Objectives To use decision analysis modeling to compare utility and cost outcomes of intracapsular tonsillectomy (ICT) and extracapsular tonsillectomy (ECT). To use sensitivity analysis to determine the most important factors influencing outcomes favoring one surgical method versus another. Study Design Decision analysis model. Setting Hypothetical cohort. Subjects and Methods A decision analysis model was created with computer software comparing the results of ICT and ECT. The model featured complications with completion tonsillectomy, such as postsurgical bleed, dehydration, and tonsillar regrowth. Outcomes were quantified with a utility scale ranging from 0.95 (1 surgical procedure without complications) to 0.55 (ICT, regrowth requiring completion ECT, post-ECT bleeding). Costs measured out-of-pocket costs for an insured patient and factored in different recovery times for ECT versus ICT. Results Based on baseline parameters, ECT had higher cumulative utility than ICT. Utility model results were highly dependent on the value of having a single uncomplicated surgery, as well as on the tonsillar regrowth rate. Utility was equal at a regrowth rate of 1.64%; rates above this value favored ECT. The base cost model showed that ICT ($4177.92) was less expensive than ECT ($4546.91), although ICT with regrowth had the highest outcome cost ($8393.91). ECT and ICT costs were equal at a tonsil regrowth rate of 17.8% and at a recovery period of 7.4 days. Conclusion Utility decision modeling based on best estimates for baseline parameters suggests that ECT may be slightly superior to ICT, but cost analysis suggests the opposite. However, the comparative results are highly dependent on subtle changes in the tonsil regrowth rate and the potential difference in recovery time.

PMID: 29484925 [PubMed - as supplied by publisher]

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