Characteristics of patients with active TB diseases during the follow-up period (218–675 days).

TB, tuberculosis; BCG, Bacillus Calmette Guérin; TST, tuberculin skin test; IGRA, interferon-gamma release assays; QFT-GIT, QuantiFERON-TB Gold In-Tube; TNF, tumor necrosis factor; CD, Crohn’s disease; RA, rheumatoid arthritis; AS, ankylosing spondylitis; COPD, chronic obstructive pulmonary disease; N, negative; P, positive; NT, not tested; I, infliximab; E, etanercept; A, adalimumab; BAL, bronchoalveolar lavage; AFB, acid-fast bacilli. aRetrospective review of initial chest radiography revealed several tiny fibrotic nodules in the right upper lobe. This finding was not recognized as an indication for LTBI treatment by the attending physician at the time of patient enrollment. Characteristics of patients with active TB diseases during the follow-up period (218–675 days).