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Summary of model performance.

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posted on 17.04.2012 by Livio Azzoni, Andrea S. Foulkes, Yan Liu, Xiaohong Li, Margaret Johnson, Collette Smith, Adeeba bte Kamarulzaman, Julio Montaner, Karam Mounzer, Michael Saag, Pedro Cahn, Carina Cesar, Alejandro Krolewiecki, Ian Sanne, Luis J. Montaner

(A) Cross-validated estimates of FPRs. The bars represent the number of observed post-baseline observations below the thresholds indicated on the x-axis and at the indicated FPRs for Cohort 1 (left) and Cohort 2 (right). The dark shading indicates the number of observations correctly identified for laboratory-based CD4 testing (i.e., CD4 counts predicted to be and observed to be below threshold); lighter shading represents false positives (CD4 count incorrectly predicted as above threshold); cross-validated estimates of the FPRs are indicated above each bar. (B) Capacity savings (CS) estimates. Dark shading indicates the number of observations in Cohort 1 (left) and Cohort 2 (right) predicted to require laboratory-based CD4 testing (i.e., CD4 count predicted to be below threshold), and light shading the number of observations predicted to not require laboratory testing (i.e., CD4 count predicted to be above threshold) at the CD4 count threshold and FPR indicated below each bar.

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