Interindividual Variations in the Adenosine-Induced Hemodynamics During Fractional Flow Reserve Evaluation: Implications for the Use of Quantitative Flow Ratio in Assessing Intermediate Coronary Stenoses.

The diagnostic efficiency as per AUC of QFR in determining the functional stenosis relevance was progressively lower as adenosine‐induced hypotension increased (Figure 7 A), but the difference did not reach statistical significance ( P =0.273 for comparison of AUC between tertile 1 and tertile 3; P =0.329 for comparison of AUC between tertile 3 and the other tertiles).

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