Table 3

Number and Percent Reclassified in CHD Risk Categories and Observed CHD RiskWhen CIMT and Plaque Information Are Added to Traditional Risk Prediction Models (Overall Sample)

CHD Risk by TRF + CIMT + Plaque
CHD Risk by TRF Only<5%5%–10%10%–20%>20%All
≤5%, low risk5,585 (91.4)523 (8.6)0 (0.00)0 (0.00)6,108 (46.5)
252
5%–10%, low-intermediate risk839 (22.4)2,340 (62.5)563 (15.1)0 (0.00)3,742 (28.5)
57178
10%–20%, high-intermediate risk0 (0.00)627 (24.8)1,560 (61.7)340 (13.5)2,527 (19.2)
11152415
>20%, high risk0 (0.00)0 (0.00)165 (21.5)603 (78.5)768 (5.8)
143127
All6,264 (48.9)3,490 (26.6)2,288 (17.4)943 (7.2)13,145 (100.0)
2715287

Values are n (%) and Kaplan-Meier 10-year risk (%).

  • All observed risks have been interpolated to 10-year event rates by Kaplan-Meier risk estimates using the actual observed events over a mean follow-up of 15.1 years.