Table 3

Plaque Characteristics Evaluated by VH-IVUS

Plaque AnalysisOverall
(n = 165)
DM
(n = 100)
Non-DMp Value
DM vs. Non-DM
All Non-DM
(n = 65)
IGT
(n = 48)
NGT
(n = 17)
Culprit lesion55 (33)37 (37)18 (28)12 (25)6 (35)0.21
Plaque location0.90
 LAD53 (32)35 (35)18 (27)13 (27)5 (29)
 LCx55 (33)33 (33)22 (34)16 (33)6 (35)
 RCA50 (30)27 (27)23 (35)17 (35)6 (35)
 LMT7 (4)5 (5)2 (3)2 (4)0 (0)
Plaque volume
 Absolute data, mm3107.6 ± 73.3107.7 ± 68.5107.3 ± 80.5116.4 ± 86.281.4 ± 55.90.97
 Plaque burden, %56.5 ± 8.856.8 ± 8.856.1 ± 8.956.5 ± 8.954.5 ± 9.00.63
Lesion length, mm14.2 ± 8.314.2 ± 8.314.3 ± 8.214.7 ± 8.513.2 ± 7.40.87
Fibrous
 Absolute data, mm340.2 ± 32.440.2 ± 29.640.2 ± 36.544.4 ± 39.628.2 ± 22.90.99
 Relative data, %59.1 ± 8.958.1 ± 9.260.7 ± 8.260.4 ± 7.861.4 ± 9.60.070
Fibrofatty
 Absolute data, mm39.1 ± 8.38.8 ± 7.99.6 ± 8.910.4 ± 9.87.0 ± 5.70.57
 Relative data, %13.4 ± 7.412.7 ± 7.414.4 ± 7.313.8 ± 6.616.1 ± 8.90.15
Dense-calcium
 Absolute data, mm35.4 ± 5.55.7 ± 5.64.8 ± 5.25.3 ± 5.53.2 ± 3.80.27
 Relative data, %8.1 ± 6.38.7 ± 6.87.1 ± 5.27.2 ± 4.96.8 ± 6.30.086
Necrotic core
 Absolute data, mm313.9 ± 12.814.6 ± 11.912.9 ± 14.114.5 ± 15.08.4 ± 9.90.41
 Relative data, %19.3 ± 5.920.4 ± 5.517.7 ± 6.318.5 ± 5.915.6 ± 7.10.004
Thin-cap fibroatheromas15 (9)13 (13)2 (3)2 (4)0 (0)0.030

Values are n (%) or mean ± SD.

LAD = left anterior descending artery; LCx = left circumflex artery; LMT = left main trunk; RCA = right coronary artery; other abbreviations as in Table 1.