Fig 1.
The workflow diagram for the study.
AS, area stenosis; AUC, under the curve; MACE, major adverse cardiovascular events; MLA, minimal lumen area; OCT, optical coherence tomography; OMT, optimal medicine therapy; PCI, percutaneous coronary intervention; QFR, quantitative flow ratio; ROC, receiver-operating characteristic; TVR, target vessel revascularization.
Table 1.
Clinical and lesion characteristics by angiography, QCA, OCT and QFR.
Table 2.
Differences in QCA and OCT characteristics based on QFR value.
Fig 2.
Linear regression depicting the relationship between QFR values and OCT parameters (MLA, AS).
AS, area stenosis; MLA, minimal lumen area; OCT, optical coherence tomography; QFR, quantitative flow ratio.
Fig 3.
Receiver-operating characteristic (ROC) curves for diagnostic accuracy of OCT-derived MLA and AS in predicting QFR ≤ 0.8.
AS, area stenosis; MLA, minimal lumen area; OCT, optical coherence tomography; QFR, quantitative flow ratio.
Fig 4.
(a) Bland-Altman plots showing the differences in AS between OCT and QFR; (b) Linear regression depicting the relationship between OCT-derived and QFR-derived AS.
AS, area stenosis; OCT, optical coherence tomography; QFR, quantitative flow ratio.
Table 3.
Comparison of clinical characteristics and 1-year follow-up outcomes.