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LAD-QFR values were correlated with the changes in LAD-CFVR (post-PCI CFVR–pre-PCI CFVR, A). Additionally, pre-PCI LAD-hDPV and pre-PCI LAD-CFVR were correlated with changes in LAD-CFVR (B and C). QFR: Quantitative flow ratio. Other abbreviations as in Fig 1.
