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. 2017 May 10;35(19):2165–2172. doi: 10.1200/JCO.2016.69.6120

Fig 2.

Fig 2.

Performance characteristics of PREMM5. Decreasing sensitivity and increasing specificity are shown for increasing risk thresholds for the PREMM5 score, with a histogram for the distribution of predicted risks. FN, false negative; FP, false positive; NaN, not a number; NNT, number needed to test; NPV, negative predictive value; PPV, positive predictive value; TN, true negative; TP, true positive. FN, FP, TN, and TP are reported for a given cutoff value on the PREMM5 score. NNT= (TP + FP) / TP.