Diabetic

Non-diabetic

Total

P value

 

Total Segs

1665

%

3801

%

5466

 

 

Segs >50%

785

47

1659

47

2444

45

<0.02

Segs with AI

927

56

1787

56

2714

50

<0.001

Segs >50% with AI

623

79

1122

79

1745

71

<0.001

32.8

 

Proximal Segments

Total Segs

845

%

1933

%

2778

 

 

 

Segs >50%

448

53

981

51

1429

51

NS

Segs with AI

574

68

1134

57

1708

61

<0.001

Segs >50% with AI

385

86

742

76

1127

66

<0.001

 

Distal Segments

Total Segs

820

%

1868

%

2688

 

 

 

Segs >50%

338

41

678

36

1016

38

<0.02

Segs with AI

353

43

553

30

906

34

<0.001

Segs >50% with AI

238

70

380

56

618

61

<0.001

Total Segs = Total number of segments; Segs >50% = Segments greater than 50% Stenosis; Segs with AI = Segments with adventitial inflammation; Segs >50% with AI = Segments greater than 50% stenosis with adventitial inflammation; NS = No significant difference
Table 2: Compares the plaque burden and the frequency of adventitial inflammation in the epicardial coronary tree and in the proximal and distal segments of the three main coronary arteries.