Identifying co-morbidity in surgical patients using administrative data with the Royal College of Surgeons Charlson Score.
Armitage
J N
JN
Clinical Effectiveness Unit, The Royal College of Surgeons of England, London, UK.
van der Meulen
J H
JH
D002138:Calibration; D015897:Comorbidity; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012307:Risk Factors; D012720:Severity of Illness Index; D013514:Surgical Procedures, Operative / Q000401:mortality*; D016896:Treatment Outcome