Table 1

Charlson index

ComorbidityWeighted index
Myocardial infarction1
Congestive heart failure1
Peripheral vascular disease1
Cerebrovascular disease1
Dementia1
Chronic obstructive pulmonary disease1
Connective tissue disease1
Peptic ulcer disease1
Diabetes mellitus1 (mild), 2 (moderate to severe)
Chronic renal disease2 (moderate to severe)
Hemiplegia2
Leukaemia2
Lymphoma2
Solid tumour2 (tumour), 6 (metastatic)
Liver disease1 (mild), 3 (moderate to severe)
AIDS6