| At baseline | At 8-month follow-up | ||||
---|---|---|---|---|---|---|
 | Progressors (n=26) | Regressors (n=24) | p value | Progressors (n=26) | Regressors (n=24) | p value |
EEM volume index (mm3/mm) | 16.97 ± 5.65 | 16.47 ± 6.17 | 0.77 | 17.01 ± 5.80 | 16.03 ± 6.04*** | 0.56 |
% change |  |  |  | 0.2 ± 4.5 | -2.7 ± 3.0 | 0.01 |
Plaque volume index (mm3/mm) | 9.59 ± 3.84 | 9.48 ± 4.06 | 0.93 | 10.11 ± 3.86**** | 8.83 ± 3.61*** | 0.23 |
% change |  |  |  | 6.3 ± 5.9 | -6.4 ± 4.5 |  0.0001 |
Lumen volume index (mm3/mm) | 7.38 ± 2.82 | 6.99 ± 2.37 | 0.6 | 6.89 ± 2.69** | 7.20 ± 2.73 | 0.69 |
% change |  |  |  | -6.6 ± 9.0 | 2.4 ± 6.8 | 0.0002 |
Percent atheroma volume (%) | 56.2 ± 8.6 | 57.0 ± 6.1 | 0.69 | 59.3 ± 7.8**** | 54.9 ± 6.4*** | 0.03 |
Nominal change (%) |  |  |  | 3.2 ± 2.8 | -2.2 ± 2.4 |  0.0001 |
Fibrous volume index (mm3/mm) | 3.52 ± 2.29 | 3.72 ± 2.18 | 0.75 | 3.92 ± 1.98* | 3.11 ± 1.80**** | 0.14 |
Change (mm3/mm) |  |  |  | 0.40 ± 0.85 | -0.61 ± 0.53 |  0.0001 |
Fibrofatty volume index (mm3/mm) | 1.08 ± 0.77 | 1.42 ± 1.44 | 0.29 | 0.93 ± 0.84 | 1.06 ± 0.93 | 0.62 |
Change (mm3/mm) |  |  |  | -0.15 ± 0.57 | -0.37 ± 0.94 | 0.31 |
Necrotic core volume index (mm3/mm) | 1.01 ± 0.73 | 0.54 ± 0.30 | 0.005 | 1.10 ± 0.69 | 0.74 ± 0.49* | 0.04 |
Change (mm3/mm) |  |  |  | 0.09 ± 0.64 | 0.20 ± 0.38 | 0.47 |
Dense calcium volume index (mm3/mm) | 0.64 ± 0.60 | 0.34 ± 0.18 | 0.02 | 0.75 ± 0.61 | 0.48 ± 0.43 | 0.08 |
Change (mm3/mm) |  |  |  | 0.11 ± 0.34 | 0.13 ± 0.35 | 0.77 |
Average length (mm) | 27.5 ± 16.3 | 26.1 ± 13.0 | 0.74 | 27.6 ± 17.8 | 26.3 ± 12.7 | 0.77 |