Time within therapeutic range and INR variability within the entire population of 724 patients with atrial fibrillation.

Data are presented as median, (Interquartile range), P-values were computed using Mann-Whitney test, after proof of significant differences between groups using a Kruskal-Wallis test.CKD = chronic kidney disease, VKA = vitamin K-antagonists, eGFR = estimated glomerular filtration rate, INR = international normalized ratio.