Charlson Comorbid coding (pre ICD10)
The Charlson Comorbid score is calculated by different functions in different parts of CCMDB.
SAS coding
The statistician has a SAS macro called "comorbid3" that calculates the score for data after import.
CCMBD.mdb function Charlson_score_function
The function Charlson_score_function (Pat_ID) in CCMDB.mdb will return the Charlson Score for a patient. It will do this by comparing the contents of L_Como and the table s_charlson_dx, using queries s_charlson_dx and s_charlson_score.