Table 6.

Risk Stratification Table of Framingham Risk Score Variables Alone Versus Those With Cystatin C, The Multi-Ethnic Study of Atherosclerosis, 2000–2008

6-Year Risk in Model With Cystatin C	6-Year Risk in Model Without Cystatin C
	0–5%			>5–<10%			≥10%			Total
	No. of Participants	No. of Events	Observed 6-Year Event Risk, %	No. of Participants	No. of Events	Observed 6-Year Event Risk, %	No. of Participants	No. of Events	Observed 6-Year Event Risk, %	No. of Participants	No. of Events	Observed 6-Year Event Risk, %
0–5%	2,229	32	1.4	216	11	5.1	4	0	0	2,449	43	1.8
>5–<10%	213	7	3.3	1,409	70	5	240	18	7.5	1,862	95	5.1
≥10%	2	0	0	201	26	12.9	2,139	313	14.6	2,342	339	14.5
Total	2,444	39	1.6	1,826	107	5.9	2,383	331	13.9	6,653	477	7.2