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Table 4 Elixhauser index comorbidities (%) for study cohorts

From: Predictive performance of comorbidity measures in administrative databases for diabetes cohorts

Comorbidity Cohort 1a(n= 29,058) Cohort 2 (n= 41,925)
Hypertension- uncomplicated 33.3 42.7
Diabetes- uncomplicated 14.7 14.7
Chronic pulmonary disease 13.9 13.5
Congestive heart failure 8.0 8.0
Depression 5.8 6.0
Solid tumors 5.0 5.4
Diabetes- complicated 3.2 3.0
Psychiatric 2.4 2.7
Cardiac arrhythmias 2.3 2.8
Fluid and electrolyte disorders 1.9 2.7
RA/collagen vascular disease 1.9 1.9
Renal failure 1.8 3.1
Valvular disease 1.5 2.2
Peripheral vascular disease 1.4 1.5
Metastatic cancer 1.3 1.7
Other neurological disorders 1.1 1.2
Coagulopathy 1.0 2.5
Hypertension- complicated 0.7 1.0
Pulmonary circulatory disorders 0.7 0.8
Liver disease 0.6 0.7
Obesity 0.6 1.0
Paraplegia 0.6 0.4
Deficiency anemia 0.5 0.8
Alcohol abuse 0.4 0.7
Hypothyroidism 0.4 1.1
Drug abuse 0.3 0.4
Peptic ulcer disease 0.3 0.4
Lymphoma 0.2 0.2
Weight loss 0.1 0.2
AIDS <0.1 <0.1
Blood loss anemia 0.0 <0.1
1 or more Elixhauser comorbidities 61.4 65.5
  1. aComorbidities were defined using data from fiscal year 1997/98 for Cohort 1 and 2001/02 for Cohort 2.