Which octogenarian patients are at higher risk after cholecystectomy for symptomatic gallstone disease? A single center cohort study

Figure 1 Receiver operating characteristic curve representing the accuracy of the model.

Figure 2 Decision curve analysis of Clavien-Dindo > 2 complications following cholecystectomy for gallstone disease. Decision curve analysis included three main strategies: to perform cholecystectomy on all patients; the net benefit of surgery to none patients; to treat the patients according the proposed model (Net Benefit: CL2). A: Treat all; B: Treat none; C: Proposed model.