Factors That Contribute to Indeterminate Results from the QuantiFERON-TB Gold in-tube Test in Patients With Inflammatory Bowel Disease

The QuantiFERON-tuberculosis gold in-tube (QFT-GIT) test is widely used to screen for latent Mycobacterium tuberculosis infection in patients with inflammatory bowel diseases (IBD) before treatment with a tumor necrosis factor antagonist. The test frequently produces indeterminate results, prompting additional testing. We evaluated factors associated with indeterminate results from the QTF-GIT test among patients with IBD.

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