Table 1.
Changes in IVUS characteristics during follow-up
| Characteristic | Change over follow-up |
|---|---|
| IVUS characteristics | N = 4029 |
| External elastic membrane (mm2) | −0.23 (−0.99 to 0.64) |
| Plaque area (mm2) | 0.05 (−0.60 to 0.68) |
| Plaque burden (%) | 0.71 (−3.50 to 5.12) |
| Necrotic core area (mm2) | 0.00 (−0.06 to 0.16) |
| Dense calcium area (mm2) | 0.00 (−0.01 to 0.07) |
| Fibrofatty area (mm2) | 0.00 (−0.09 to 0.03) |
| Fibrous area (mm2) | 0.00 (−0.41 to 0.27) |
| Progression (ΔPA >0) (mm2) | N = 2099 |
| External elastic membrane (mm2) | −0.04 (−0.76–0.77) |
| Plaque area (mm2) | 0.65 (0.30 to 1.29) |
| Plaque burden (%) | 4.80 (1.91 to 8.82) |
| Necrotic core area (mm2) | 0.02 (0.00 to 0.29) |
| Dense calcium area (mm2) | 0.00 (0.00 to 0.09) |
| Fibrofatty area (mm2) | 0.00 (−0.01 to 0.08) |
| Fibrous area (mm2) | 0.14 (0.00 to 0.66) |
| Regression (ΔPA <0) (mm2) | N = 1910 |
| External elastic membrane (mm2) | −0.49 (−1.34–0.44) |
| Plaque area (mm2) | −0.62 (−1.21 to −0.28) |
| Plaque burden (%) | −3.62 (−7.03 to −0.97) |
| Necrotic core area (mm2) | −0.01 (−0.25 to 0.02) |
| Dense calcium area (mm2) | 0.00 (−0.05–0.04) |
| Fibrofatty area (mm2) | −0.03 (−0.21–0.00) |
| Fibrous area (mm2) | −0.35 (−0.91–0.00) |
Data are presented as median (interquartile range).
No change observed in 20 frames.