Table 2 Lesion iImaging characteristics

Lesion and procedure

Left anterior descending artery, n (%)

35 (56)

15 (50)

20 (63)

Right coronary artery, n (%)

13 (21)

6 (20)

7 (22)

Left circumflex artery, n (%)

14 (23)

9 (30)

5 (16)

CMR findings

Plaque-to-myocardial signal intensity ratio

1.37 (1.13–1.58)

1.61 (1.43–2.11)

1.14 (1.00–1.26)

Left ventricular ejection fraction, %

61.6 (54.0–67.4)

63.0 (54.0–66.3)

58.8 (53.9–68.6)

Left ventricular mass, g

71.1 (59.6–90.8)

74.6 (63.8–99.8)

68.9 (56.8–88.3)

NIRS findings

MaxLCBI_4mm

391 ± 222

500 ± 170

288 ± 218

MaxLCBI_4mm ≥ 400, n (%)

26 (42)

19 (63)

7 (22)

Lesion LCBI

132 ± 83

170 ± 76

97 ± 74

IVUS findings

Pull-back length, mm

61.3 ± 24.2

68.5 ± 25.2

54.5 ± 21.5

Lesion length, mm

20.7 (13.8–33.5)

22.8 (13.4–35.9)

19.1 (14.6–32.6)

Plaque morphology

Fibrous plaque, n (%)

28 (45)

9 (30)

19 (59)

Attenuated plaque, n (%)

25 (40)

15 (50)

10 (31)

Echo-lucent plaque, n (%)

13 (21)

10 (33)

3 (9)

Calcified plaque, n (%)

34 (55)

17 (57)

17 (53)

Arc of calcified plaque within maxLCBI_4mm, °

23 (0–84)

25 (0–100)

23 (0–70)

Remodeling index

1.00 ± 0.10

1.03 ± 0.07

0.96 ± 0.11

Average reference EEM CSA, mm²

11.6 (9.6–14.7)

10.8 (9.0–13.3)

12.4 (10.2–16.6)

EEM CSA within maxLCBI_4mm, mm²

11.9 (9.3–13.7)

10.9 (9.0–13.2)

12.0 (9.5–15.7)

Lumen CSA within maxLCBI_4mm, mm²

3.7 (2.9–5.1)

3.2 (2.6–4.0)

4.3 (3.6–5.7)

Plaque burden within maxLCBI_4mm, %

66 ± 10

69 ± 8

63 ± 10