TableĀ 1

Calculation of the Charlson comorbidity index*

Score for each conditionCondition
1Myocardial infarct
1Congestive heart failure
1Peripheral vascular disease
1Cerebrovascular disease
1Dementia
1Chronic pulmonary disease
1Connective tissue disease
1Ulcer disease
1Mild liver disease
1Diabetes
2Hemiplegia
2Moderate or severe renal disease
2Diabetes with end organ damage
2Any tumour
2Leukaemia
2Lymphoma
3Moderate or severe liver disease
6Metastatic solid tumour
6AIDS
  • *Originally designed as a measure of the risk of 1-year mortality attributable to comorbidity in a longitudinal study of general hospitalised patients and validated for the same outcome in a cohort of breast cancer patients.