Table 2.
CAC distribution at the first detection of CAC>0
Distribution of New Onset CAC | All visits (N=1125) | Visit 2* (N=170) | Visit 3* (N=305) | Visit 4* (N=150) | Visit 5* (N=500) |
---|---|---|---|---|---|
Single Vessel | 72% (807) | 85% (144) | 74% (226) | 75% (113) | 65% (324) |
• LAD | 44% | 57% | 41% | 44% | 42% |
• RCA | 12% | 12% | 14% | 14% | 10% |
• LCX | 10% | 12% | 13% | 8% | 7% |
• LM | 6% | 4% | 6% | 9% | 6% |
Multi-vessel | 28% (318) | 15% (26) | 26% (79) | 25% (37) | 35% (176) |
• 2 vessel | 20% | 12% | 20% | 18% | 24% |
• 3 or 4 vessel | 8% | 3% | 6% | 7% | 11% |
Note:
Visit 2, 3, 4 and 5 include subjects who had detectable CAC on a follow up scan at mean 1.7 ± 0.3, 3.2 ± 0.4, 4.9 ± 0.5 and 9.7 ± 0.6 years respectively following baseline scan.
Abbreviations: N= number of subjects, LAD= Left anterior descending artery, RCA= Right coronary artery, LCX= Left circumflex artery, LM= left main artery, CAC= coronary artery calcium.