Table 5

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

CHD Risk by TRF + CIMT + Plaque
CHD Risk by TRF Only<5%5%–10%10%–20%>20%All
≤5%, low risk5,305 (94.9)287 (5.1)0 (0.00)0 (0.00)5,592 (74.9)
262
5%–10%, low-intermediate risk316 (26.9)704 (59.8)157 (13.3)0 (0.00)1,177 (15.8)
59128
10%–20%, high-intermediate risk0 (0.00)132 (25.3)321 (61.6)68 (13.1)521 (7.0)
6143214
>20%, high risk0 (0.00)0 (0.00)43 (24.9)130 (75.1)173 (2.3)
83730
All5,621 (75.3)1,123 (15.1)521 (7.0)198 (2.7)7,463 (100.0)
283354

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

CHD = coronary heart disease; other abbreviations as in Table 2.

  • 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 15.7 years.