Fig. 7From: A vessel length-based method to compute coronary fractional flow reserve from optical coherence tomography images a Bland–Altman plot between clinically measured FFR (M-FFR) and OCT–FFR at the same location and b linear relationship between the M-FFR and the OCT–FFR with a coefficient of determination (R2) of 0.66, Pearson’s correlation coefficient (ρp) of 0.82, and Spearman’s correlation coefficient (ρs) of 0.80Back to article page