Fig. 1From: The effects of misclassification in routine healthcare databases on the accuracy of prognostic prediction models: a case study of the CHA2DS2-VASc score in atrial fibrillationThe concordance of CHA2DS2-VASc scores as calculated using the index predictors (x-axis) and as calculated using the reference predictors (y-axis). Numbers are counts (percentages)Back to article page