Table 3.

Breakdown of Charlson Comorbidity Index categories and frequency of patients populating each category

CCI categories	n
1. Myocardial infarction	11
2. Congestive heart failure	3
3. Peripheral vascular disease	10
4. Cerebrovascular disease	9
5. Dementia	1
6. Chronic obstructive pulmonary disease	15
7. Connective tissue disease	12
8. Peptic ulcer disease	14
9. Diabetes mellitus (1 point uncomplicated, 2 points if end-organ damage)	64
10. Moderate to severe chronic kidney disease (2 points)	198
11. Hemiplegia (2 points)	0
12. Leukemia (2 points)	0
13. Malignant lymphoma (2 points)	0
14. Solid tumour (2 points, 6 points if metastatic)	14
15. Liver disease (1 point mild, 3 points if moderate to severe)	18
16. AIDS (6 points)	0