Table 1 Charlson Comorbidity Index

Myocardial infarction

0.99

0

1

Congestive heart failure¹

1.91

2

1

Peripheral vascular disease²

1.1

0

1

Cerebrovascular disease³

1.1

0

1

Dementia

2.39

2

1

Chronic pulmonary disease⁴

1.28

1

1

Rheumatologic disease⁵

1.3

1

1

Peptic ulcer disease

1.08

0

1

Mild liver disease⁶

1.94

2

1

Diabetes without chronic complications⁷

1.12

0

1

Diabetes with chronic complications⁸

1.22

1

2

Hemiplegia or paraplegia⁹

2.26

2

2

Renal disease¹⁰

1.43

1

2

Any malignancy, including leukemia, and lymphoma

2.28

2

2

Moderate or severe liver disease¹¹

3.83

4

3

Metastatic solid tumor¹²

6.01

6

6

AIDS/HIV

3.69

4

6

Maximum comorbidity score

24

29