Diagnostic Performance of Frequency-Domain Optical Coherence Tomography to Predict Functionally Significant Left Main Coronary Artery Stenosis
Table 2
Angiographic and optical coherence tomography measurements of the LM lesions.
QCA (n = 88)
FD-OCT (n = 88)
value
LM length, mm
14.65 ± 5.3
12.48 ± 5.1
<0.001
Lesion length, mm
3.20 ± 1.5
3.72 ± 2.0
0.032
Reference lumen diameter, mm
3.79 ± 0.6
4.05 ± 0.6
<0.001
Minimum lumen diameter, mm
2.07 ± 0.5
2.46 ± 0.6
<0.001
Percent diameter stenosis (%)
44.78 ± 15.4
38.66 ± 14.4
<0.001
Reference lumen area, mm2
—
13.14 ± 4.1
Minimum lumen area, mm2
—
5.82 ± 2.9
Percent area stenosis (%)
—
55.04 ± 18.7
Values are presented as n (%) or mean ± standard deviation. FD-OCT = frequency-domain optical coherence tomography; LM = left main; n = number of patients; QCA = quantitative coronary angiography.
