Fig. 1From: Neutrophil-to-lymphocyte ratio (NLR) predicts mortality in hospitalized geriatric patients independent of the admission diagnosis: a multicenter prospective cohort studySelection of the optimal cut-off of NLR for increased risk of in-hospital mortality. Selection of the optimal cut-off of NLR by using ROC curve analysis with Youden’s method (A) and restricted cubic spline with 3 knots (B). Red ticks on x-axis represent quartiles of NLR distributionBack to article page