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Diagnostic efficacy of HYP in combination with TSPOT.TB in the diagnosis of PTB. (A) The ROC curve of serum HYP and its combination with TSPOT.TB for PTB. (B) The ROC curve of HYP in BALF and its combination with TSPOT.TB for PTB. HYP, hydroxyproline; TSPOT.TB, tuberculosis infection T lymphocyte spot assay; BALF, bronchoalveolar lavage fluid; PTB, pulmonary tuberculosis; ROC, receiver operating characteristic.
