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. 2022 Aug 4;7(1):bpac017. doi: 10.1093/biomethods/bpac017

Table 3:

Comparison of methods for handling comorbidities

Attributes Charlson Elixhauser PdeathDx
Diagnosis specific No No Yes
Includes all relevant diagnosis No No Yes
Number of comorbidities 19 30 153
Weighting Arbitrary None Actual risk
Includes protective factors No Yes Yes
Handles rare conditions No No Yes
Effect of each comorbidity adjusted for others No No Yes
Identifies all comorbid patterns and associated risks No No Yes
Setting of extracted diagnostic codes Inpatient only Inpatient only Inpatient and outpatient