Table 3.

Event rates by Charlson Comorbidity Index score and cohort

	Comorbidity score 0		Comorbidity score 1		Comorbidity score 2+
	Acute	Long term	Acute	Long term	Acute	Long term
First event
CV hospitalisation LOS (mean days)	7.6	NA	9.6	NA	11.4	NA
Office visits (per person year)	23.2	18.1	26.6	22.9	31.8	29.7
CV event rate (per 100 person years)	23.4	6.0	23.4	9.5	28.8	12.2
Death rate (per 100 person years)	13.5	2.4	22.7	4.8	42.0	8.4
Second event
CV hospitalisation LOS (mean days)	6.5	NA	8.5	NA	11.1	NA
Office visits (per person year)	26.1	30.8	31.3	41.3	38.2	54.6
CV event rate (per 100 person years)	25.5	11.1	38.0	12.6	39.1	19.6
Death rate (per 100 person years)	8.7	1.4	24.3	3.3	48.6	9.2

CV, cardiovascular; LOS, length of stay; NA, not applicable.