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. Author manuscript; available in PMC: 2020 Sep 1.
Published in final edited form as: Mol Nutr Food Res. 2019 Jul 17;63(17):e1900140. doi: 10.1002/mnfr.201900140

Figure 2.

Figure 2.

Ten-fold cross-validated ROC curves. Black bold line represents the 10-fold cross-validated ROC curve, whereas the thin grey lines show ROC curves for each of the 10 iterations using the training-validation (90%−10%) pair datasets excluding consistently selected covariates (i.e. sex, age and smoking) from the model. Abbreviations: CI, confidence interval; ROC, receiver operating characteristic.