Retrospective Study
Copyright ©The Author(s) 2015.
World J Gastroenterol. Mar 21, 2015; 21(11): 3308-3316
Published online Mar 21, 2015. doi: 10.3748/wjg.v21.i11.3308
Figure 1
Figure 1 Flow diagram of patients, illustrating screening outcomes. 1Chest X-ray, tuberculin skin test, or interferon gamma release assay; 2Development of active tuberculosis infection after anti-TNF therapy. LTBI: Latent tuberculosis infection.