Fig. 3From: Prediction of morbidity and mortality after early cholecystectomy for acute calculous cholecystitis: results of the S.P.Ri.M.A.C.C. studyROC curves of POSSUM Physiological Score of the derivation and validation groups for in-hospital mortality (a), 30-day mortality (b), in-hospital major morbidity (c), 30-day major morbidity (d)in patients with ACC after ECBack to article page