Table 4: QCA and IVUS data

DM group (n=35) AGT group (n=29) NGT group (n=32) P value
Vessel diameter (QCA) 3.3 0.7 3.2 0.7 3.4 0.6 0.58
IVUS analysis
External elastic membrane area (mm2) 14.7 3.9 16.5 4.2 14.9 4.5 0.21
Lumen cross-sectional area (mm2) 7.4 2.8a 8.4 2.3ab 9.2 3.3b 0.047
Plaque cross-sectional area (mm2) 7.3 1.9a 8.1 3.4a 5.7 2.6b < 0.01
Plaque burden (%) 50.3 9.4a 47.9 12.7a 38.3 12.4b < 0.01


Values are expressed as mean SD.
abCells with same superscripts within row do not differ (P>0.05).
DM: Diabetes Mellitus, AGT: Abnormal Glucose Tolerance, NGT: Normal Glucose Tolerance, QCA: Quantitative Coronary Angiography, IVUS: Intravascular Ultrasound