Table 1.

Age-adjusted charlson comorbidity index (N = 567)

Score	Comorbidity	n (%)
1	Diabetes mellitus without end-organ damage	27 (5%)
	Cerebrovascular disease	10 (2%)
	Myocardial infarction	14 (2%)
	Congestive heart failure	0 (0%)
	Peripheral vascular disease	9 (2%)
	Dementia	2 (0.4%)
	Chronic pulmonary disease	55 (10%)
	Connective tissue disease	37 (7%)
	Peptic ulcer disease	16 (3%)
	Mild liver disease	5 (1%)
2	Diabetes mellitus with end-organ damage	2 (0.4%)
	Moderate/severe renal disease	0 (0%)
	Hemiplegia	0 (0%)
	Solid tumor without metastasis (exclude if >5 years from diagnosis)	32 (6%)
	Leukemia	2 (0.4%)
	Lymphoma	9 (2%)
3	Moderate/severe liver disease	0 (0%)
6	Metastatic solid tumor	0 (0%)
	AIDS (not just HIV positive)	0 (0%)

Age adjustment: For each decade after 40 years, add 1 point to total score (i.e. 1 point for age group 50–59 years, 2 points for age group 60–69, etc)

AIDS, Acquired immune deficiency syndrome; HIV, Human immunodeficiency virus