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Table 4 Additional Elixhauser comorbidity measures inferred from drug prescribing information (N = 247,712)

From: The predictability of claim-data-based comorbidity-adjusted models could be improved by using medication data

Comorbidities Claim data1(A) Prescribing information2(B) Claim data ∩ Prescribing information3(A∩B) Fraction of additional comorbidities inferred by prescribing information {(AB)-A}/(AB)
Peripheral vascular disorders 6,707 21,858 2,452 74.3%
Psychoses 1,719 4,614 1,420 65.0%
Chronic pulmonary disease 26,038 36,129 16,517 43.0%
Congestive heart failure 5,423 4,159 1,419 33.6%
Deficiency anemia 12,518 12,949 6,927 32.5%
Depression 8,267 4,420 2,134 21.7%
Other neurological disorders 7,037 2,900 1,491 16.7%
Hypothyroidism 5,346 2,792 1,909 14.2%
Renal failure 4,952 1,054 400 11.7%
Weight loss 7,445 556 130 5.4%
AIDS 35 10 8 5.4%
Cardiac arrhythmia 10,310 975 646 3.1%
Rheumatoid arthritis/ collagen vascular diseases 3,530 144 73 2.0%
Liver disease 21,051 255 187 0.3%
  1. 1 No. of cases of each Elixhauser comorbidity identified from claim data, 2 No. of cases each Elixhauser comorbidity inferred from drug prescribing information, 3 No. cases of each Elixhauser comorbidity identified (or inferred) both claim data and drug prescribing information.