Table 3

Charlson index comorbidities (%) for study cohorts
Comorbidity Cohort 1a (n = 29,058 ) Cohort 2 (n = 41,925)
Diabetes, without complications 15.5 15.3
Chronic pulmonary disease 14.0 13.7
Congestive heart failure 8.0 8.1
Cancer 5.5 5.8
Cerebrovascular disease 5.5 4.7
Myocardial infarction 2.5 3.0
Diabetes, with complications 2.3 2.5
Peptic ulcer disease 2.0 1.7
Renal disease 1.9 3.2
Peripheral vascular disease 1.4 1.6
Metastatic carcinoma 1.3 1.8
Connective tissue disease 0.8 0.8
Dementia 0.8 0.9
Mild liver disease 0.6 0.6
Paraplegia and hemiplegia 0.6 0.4
Moderate or severe liver disease 0.1 0.2
AIDS/HIV <0.1 <0.1
1 or more Charlson comorbidities 39.1 37.2

aCharlson index comorbidities were defined using administrative data from fiscal year 1997/98 for Cohort 1 and 2001/02 for Cohort 2.

Lix et al.

Lix et al. BMC Health Services Research 2013 13:340   doi:10.1186/1472-6963-13-340

Open Data