Postoperative complications and hospital costs following open radical cystectomy: A retrospective study

Laurence Weinberg, Sarah Aishah Azlina Aitken, Peter Kaldas, Luke Fletcher, Patryck Lloyd-Donald, Peter Le, Daniel Do, Carla Borg Caruana, Dominic Walpole, Joseph Ischia, Ronald Ma, Chong Oon Tan, Dong Kyu Lee

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Abstract

Objectives To evaluate primarily the relationship between postoperative complications and hospital costs, and secondarily the relationship between postoperative complications and mortality, following radical cystectomy. Methods Postoperative complications were retrospectively examined for 147 patients undergoing radical cystectomy at a university hospital between January 2012 and July 2021. Complications were defined and graded using the Clavien–Dindo classification system. In-hospital cost was calculated using an activity-based costing methodology. Regression modelling was used to investigate the relationships among a priori selected perioperative variables, complications, and costs. The effect of complications on postoperative mortality was ascertained using time-dependent coefficients in a Cox proportional hazards regression model. Results 135 (92%) patients experienced one or more postoperative complications. The medians of hospital cost for patients who experienced no complications and those who experienced complications were $42,796.3 (29,222.9–53,532.5) and $81,050.1 (49,614.8–122,533.6) respectively, p < 0.001. Hospital costs were strongly associated with complication severity: Clavien-Dindo grade II complications increased costs by 45.2% (p < 0.001, 95% CI 19.1%–76.6%), and Clavien-Dindo grade III to V complications increased costs by 107.5% (p < 0.001, 95% CI 52.4%–181.8%). Each additional count of complication and increase in Clavien-Dindo complication grade increased the risk of mortality 1.28-fold (RR = 1.28, p = 0.006, 95% CI 1.08–1.53) and 2.50-fold (RR = 2.50, p = 0.012 95% CI 1.23–5.07) respectively. Conclusions These findings demonstrate a high prevalence of complications following cystectomy and significant associated increases in hospital costs and mortality. Postoperative complications are a key target for cost-containment strategies.

Original languageEnglish
Article numbere0282324
JournalPLoS ONE
Volume18
Issue number2 February
DOIs
StatePublished - Feb 2023

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