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. 2020 Jul;160(1):116–127.e4. doi: 10.1016/j.jtcvs.2019.07.086

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© 2019 The Authors

This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).

PMC Copyright notice

Development of a predictive model for early saphenous vein graft (SVG) occlusion. Calibration curve and goodness of fit for the developed prediction model for SVG occlusion (A) and area under the curve (AUC) for model's performance in derivation and validation cohorts (B). Confusion matrix for predicted versus observed SVG occlusion in the validation cohort based on the developed model (C). Nomogram for predicting the risk for early SVG occlusion from the developed model (D). Observed and predicted probabilities for SVG occlusion across strata of the constructed SAFINOUS score, derived from the final predictive model (E). CI, Confidence interval; EVH, endoscopic vein harvesting; RCA, right coronary artery; LCx, left circumflex artery; OM, obtuse marginal; SVG, saphenous vein graft.