Extended Data Fig. 7: PPVs and NPVs of the best serology testing strategy identified by decision tree analyses. | Nature Medicine

Extended Data Fig. 7: PPVs and NPVs of the best serology testing strategy identified by decision tree analyses.

From: Novel correlates of protection against pandemic H1N1 influenza A virus infection

Extended Data Fig. 7: PPVs and NPVs of the best serology testing strategy identified by decision tree analyses.

True positive cases were individuals who had PCR-confirmed influenza virus infection. True negative cases were individuals who had neither a positive PCR nor a fourfold rise in antibody serology tests. The model also suggested optimal cutoff points to use when defining seroconversion.

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