Table 4. Sex-specific plaque prevalence and characteristics by Framingham risk group (n=805).
| Male | Female | |||||||
|---|---|---|---|---|---|---|---|---|
| Framingham Risk | Low N=254 |
Intermediate N=72 |
High N=27 |
p-value for trend | Low N=396 |
Intermediate N=48 |
High N=8 |
p-value for trend |
| Any plaque | 49.2 | 73.6 | 96.3 | <0.0001 | 31.6 | 58.3 | 87.5 | <0.0001 |
| #Affected vessels | ||||||||
| 0 | 50.8 | 26.4 | 3.7 | <0.0001 | 68.4 | 41.7 | 12.5 | <0.0001 |
| 1 | 20.5 | 13.9 | 11.1 | 13.9 | 20.8 | 25.0 | ||
| 2 | 14.6 | 18.0 | 25.9 | 8.4 | 22.9 | 25.0 | ||
| 3 | 10.6 | 27.8 | 37.1 | 7.3 | 4.2 | 37.5 | ||
| 4 | 3.5 | 13.9 | 22.2 | 2.0 | 10.4 | 0.0 | ||
| Location* | ||||||||
| LM | 7.1 | 23.6 | 33.3 | <0.0001 | 5.6 | 16.7 | 25.0 | 0.0005 |
| LAD | 43.7 | 70.8 | 92.6 | <0.0001 | 27.5 | 50.0 | 75.0 | <0.0001 |
| LCX | 18.9 | 45.8 | 59.3 | <0.0001 | 11.9 | 29.2 | 25.0 | 0.002 |
| RCA | 26.0 | 48.6 | 77.8 | <0.0001 | 15.7 | 25.0 | 62.5 | 0.0007 |
| At least one stenoses >50%† | ||||||||
| Any plaque | 7.5 | 20.8 | 40.7 | <0.0001 | 4.6 | 14.6 | 0.0 | 0.07 |
| NCP | 1.6 | 5.6 | 7.4 | 0.02 | 0.5 | 4.2 | 0.0 | 0.07 |
| CCP | 2.4 | 2.8 | 18.5 | 0.0008 | 3.0 | 6.3 | 0.0 | 0.56 |
| Mixed | 4.3 | 15.3 | 29.6 | <0.0001 | 1.5 | 6.3 | 0.0 | 0.14 |
*
LM: Left main; LAD: Left anterior descending; LCX: Left circumflex; RCA: Right coronary artery
†
NCP: Noncalcified plaque; CCP: Calcified Plaque