The impact of HIV infection and CD4 cell count on the performance of an interferon gamma release assay in patients with pulmonary tuberculosis.

PLoS One · 2009 · PMC2626632 · PMID 19156218

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a positive trendno p-value reported

A positive trend of sensitivity with increasing CD4 cell count was observed for HIV-positive patients when stratifying CD4 cell counts into groups of <100, 100–200, 200–300, 300–400, 400–500, >500 (p = 0.03).

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a clear trendno p-value reported

Similar to the findings of Raby et al [16] , we have demonstrated a clear trend of decreasing sensitivity with decreasing CD4 cell count in HIV-positive patients.

also in 19,460 other papers

Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.