Optical Coherence Tomography Analysis of Attenuated Plaques Detected by Intravascular Ultrasound in Patients with Acute Coronary Syndromes
Table 1
Clinical and angiographic characteristics.
Attenuated plaque
Nonattenuated plaque
P value
()
()
Age, y
75 ± 7
73 ± 7
0.169
Male
28 (68)
42 (67)
0.863
Hypertension
33 (80)
44 (70)
0.226
Diabetes mellitus
11 (27)
19 (30)
0.714
Hypercholesterolemia
24 (59)
36 (57)
0.888
Current smoker
15 (37)
15 (24)
0.160
Braunwald clinical classification of UAP
Class I
8 (20)
31 (49)
0.002
Class II
3 (7)
18 (29)
0.011
Class III
30 (73)
14 (22)
<0.001
Culprit vessel
LAD
14 (34)
19 (30)
0.669
LCX
7 (17)
8 (13)
0.535
RCA
20 (49)
36 (57)
0.403
ACC/AHA lesion classification
Type A
8 (20)
18 (29)
0.297
Type B1
17 (41)
24 (38)
0.731
Type B2
11 (27)
13 (21)
0.464
Type C
5 (12)
8 (13)
0.940
Diameter stenosis, %
85 ± 7
83 ± 7
0.178
Values are given as n (%) or mean ± standard deviation. UAP: unstable angina pectoris; LAD: left anterior descending coronary artery; LCX: left circumflex coronary artery; RCA: right coronary artery.
