Perioperative Mortality for Management of Hepatic Neoplasm: A Simple Risk Score
Jessica P. Simons, MD, Joshua S. Hill, MD, Sing Chau Ng, MS, Shimul A. Shah, MD, Zheng Zhou, MD, PhD, Giles F. Whalen, MD, Jennifer F. Tseng, MD, MPH
Article published in Annals of Surgery, December 2009, Volume 250, Number 6, pp. 929-934
Step 1. Calculate Charlson comorbidity score
Indicate "yes" for the comorbidities that the patient has. This validated algorithm (Charlson, ME et al. J Chron Dis 1987; 40(5):373-83.) assigns a point value to the various diseases. The patient's raw score will then be reassigned into the collapsed Charlson score groups for use in the risk score calculation. Group 1 is a score of zero, Group 2 is a score of 1, Group 3 is a score of 2, and Group 4 is a score of 3 or higher.