Adapting a clinical comorbidity index for use with ICD-9-CM administrative data: differing perspectives.
Romano
P S
PS
Department of Medicine, University of California, Davis School of Medicine, Sacramento 95817.
Roos
L L
LL
Jollis
J G
JG
D000208:Acute Disease; D002908:Chronic Disease; D015897:Comorbidity; D016208:Databases, Factual; D004194:Disease / Q000145:classification*; D006302:Health Services Research; D006801:Humans; D016015:Logistic Models; D015233:Models, Statistical; D009026:Mortality; D017063:Outcome Assessment, Health Care; D011379:Prognosis; D016016:Proportional Hazards Models; D012307:Risk Factors; D012720:Severity of Illness Index; D013514:Surgical Procedures, Operative; D014481:United States