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. 2014 Mar 25;9(3):e92606. doi: 10.1371/journal.pone.0092606

Figure 2. Net Reclassification Improvement (NRI) for Mortality at 216 weeks VACS Index versus Restricted Index.

Figure 2

Groups of predicted risk were made with approximately equal numbers of death using Restricted Index compared to same cut-points using VACS Index. NRI is positive when more deaths have higher predicted risk and more survivors have lower predicted risk. A net 15.5% of those who died were reclassified to a higher risk using the VACS Index and 7.7% of those who lived were reclassified to a lower risk using the VACS Index.