New surface disruption and plaque progression (n = 85)
| Δ/Year | Present (n = 9) | Absent (n = 76) | P Valuea |
|---|---|---|---|
| Minimum lumen area (mm2/yr) | −0.6 ± 1.1 (0.175)b | −0.3 ± 1.4 (0.090)b | .6 |
| Percentage wall volume (%/yr) | 1.6 ± 2.1 (0.048)b | 0.6 ± 1.2 (<0.001)b | .20 |
| Percentage LRNC volume (%/yr) | 1.7 ± 2.0 (0.035)b | 0.1 ± 0.7 (0.098)b | .049 |
| Percentage calcification volume (%/yr) | 0.2 ± 1.3 (0.69)b | 0.2 ± 0.8 (0.030)b | .93 |
a Independent t test.
b 1-Sample t test.