Table 3

Lesion Characteristics at the Minimal Lumen Area Site

FA
(n = 44)
Non-FA
(n = 59)
p Value
Grayscale IVUS
 Lumen, mm24.0 (3.5–4.4)4.4 (3.9–4.8)0.25
 EEM, mm213.5 (12.3–14.7)10.0 (9.0–11.0)<0.001
 P+M, mm29.4 (8.3–10.4)5.7 (4.9–6.4)<0.001
 Plaque burden, %57.8 (64.6–70.9)56.4 (52.5–60.3)<0.001
 Attenuation19 (43%)1 (2%)<0.001
 Arc of attenuation, °47.2 (24.9–70.5)2.5 (-1.9–6.9)<0.001
 Arc of calcium, °60.5 (38.4–82.6)23.7 (9.9–37.6)0.005
 Calcium26 (59%)19 (31%)0.02
NIRS-block chemogram
 LRP (tan or yellow)36 (82%)3 (5%)<0.001
 2 mm-LCBI313.9 (262.6–365.2)35.8 (12.2–59.5)<0.001

Values are generalized estimating equation least square mean (95% confidence interval) or n (%).

Nonparametric (Mann-Whitney) test.

Abbreviations as in Table 1.