Coronary Plaque Characteristics Assessed by 256-Slice Coronary CT Angiography and Association with High-Sensitivity C-Reactive Protein in Symptomatic Patients with Type 2 Diabetes

Table 2

Comparison of plaque burden and grading of stenosis between diabetic and nondiabetic patients.

	All patients	DM2	Non-DM	value
Plaque burden	1194	826	368
Calcified plaque	653 (54.7%)	476 (57.6%)	177 (48.1%)	<0.01
Noncalcified plaque	330 (27.6%)	207 (25.1%)	123 (33.4%)	0.021
Mixed calcified plaque	211 (17.7%)	143 (17.3%)	68 (18.5%)	0.046
Grading of stenosis
Normal appearing (<25%)	2180 (72.8%)	1047 (69.8%)	1133 (75.5%)	<0.01
Mild narrowing (25%–49%)	563 (18.7%)	287 (19.1%)	276 (18.4%)	0.042
Moderate narrowing (50%–74%)	181 (6.0%)	106 (7.1%)	75 (5.0%)	0.039
Severe narrowing (≥75%)	76 (2.5%)	60 (4.0%)	16 (1.1%)	<0.01
Nonobstructive plaques	765 (64.1%)	485 (40.6%)	281 (23.5%)	0.028
Obstructive plaques	429 (35.9%)	338 (28.3%)	91 (7.6%)	<0.05

⁢; .