Table 2 Baseline angiographic and VH-IVUS findings of the intermediate lesions

Location

 LM, n (%)

2 (7.4)

8 (12.9)

 LAD, n (%)

16 (59.3)

30 (48.4)

 LCX, n (%)

4 (14.8)

13 (21.0)

 RCA, n (%)

5 (18.5)

10 (16.1)

 Ramus intermedius, n (%)

0 (0)

1 (1.6)

Diameter stenosis, % (QCA)

47.6 ± 8.1

42.2 ± 1.2

 Diameter stenosis, %

29.1 ± 10.9

26.7 ± 8.1

 Lesion length, mm

13.1 ± 6.6

13.9 ± 7.7

 Area stenosis, %

39.2 ± 16.7

35.7 ± 13.7

 Minimal luminal area, mm²

4.9 ± 1.6

5.8 ± 2.5

 Minimal luminal diameter, mm

2.3 ± 0.3

2.4 ± 0.5

 Plaque burden, %

66.0 ± 8.6

61.6 ± 9.9

 Reference area, mm²

8.4 ± 2.6

8.6 ± 3.2

 Lumen volume, mm³

92.9 ± 43.3

99.3 ± 57.0

 Plaque volume, mm³

119.8 ± 94.1

114.7 ± 76.8

 Remodeling index

1.0 ± 0.1

1.0 ± 0.1

 TCFA, n (%)

7 (25.9)

19 (30.6)

 Fibrous area, mm²

4.4 ± 2.5

4.0 ± 2.3

 Fibrofatty area, mm²

1.5 ± 1.8

0.8 ± 0.8

 Dense calcium area, mm²

0.5 ± 0.5

0.5 ± 0.5

 Necrotic core area, mm²

1.2 ± 1.2

1.1 ± 0.9

 Percent fibrous area, %

59.0 ± 13.9

61.2 ± 14.2

 Percent fibrofatty area, %

15.6 ± 13.1

11.0 ± 7.8

 Percent dense calcium area, %

7.6 ± 6.4

9.3 ± 9.3

 Percent necrotic core area, %

17.9 ± 14.0

18.4 ± 10.7

 Fibrous volume, mm³

44.2 ± 46.6

42.7 ± 34.5

 Fibrofatty volume, mm³

13.2 ± 18.0

8.8 ± 11.2

 Dense calcium volume, mm³

5.5 ± 6.0

6.2 ± 6.2

 Necrotic core volume, mm³

11.1 ± 10.4

11.8 ± 9.7

 Percent fibrous volume, %

61.2 ± 12.1

61.0 ± 11.5

 Percent fibrofatty volume, %

14.9 ± 9.6

11.7 ± 7.4

 Percent dense calcium volume, %

7.9 ± 6.8

9.3 ± 7.6

 Percent necrotic core volume, %

16.0 ± 10.4

17.9 ± 9.7