Table 2. Imaged artery wall sectors characteristics.
Matched artery wall sectors | N=6,936 | |
---|---|---|
Baseline | 12 months | |
Wall thickness, mm | ||
Thin wall NIRS (–) | 0.24±0.12 | 0.29±0.16 |
Thin wall NIRS (+) | 0.30±0.12 | 0.39±0.16 |
Thick wall NIRS (–) | 0.74±0.22 | 0.66±0.23 |
Thick wall NIRS (+) | 0.88±0.26 | 0.77±0.26 |
Relative plaque area per sector, % | ||
Thin wall NIRS (–) | 21.6±10.0 | 26.4±12.9 |
Thin wall NIRS (+) | 28.2±10.1 | 33.5±10.8 |
Thick wall NIRS (–) | 51.9±9.5 | 48.9±11.7 |
Thick wall NIRS (+) | 58.9±10.8 | 54.1±12.9 |
NIRS signal fraction per sector, % * | ||
Thin wall NIRS (–) | 1.2±0.6 | 1.6±0.9 |
Thin wall NIRS (+) | 80.5±17.3 | 27.0±37.7 |
Thick wall NIRS (–) | 2.8±0.9 | 7.3±2.1 |
Thick wall NIRS (–) | 83.4±16.9 | 47.3±40.4 |
Mean±standard deviation is presented. *Max LCBI4mm was 275.3 (179.7-369.5) at baseline and 238.0 (159.8-369.7) at 12-month follow-up. NIRS: near-infrared spectroscopy |