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