Screening Optimization of Latent Tuberculosis Infection in Rheumatoid Arthritis Patients

Table 3

Follow-up evaluation of TST and QFT-G with comparison of yields.

	Number of positive	Total number of patients tested	Yield (%)	Medications number (percent)
TST 1	42	132	31.8%	33 (25%) SS, 49 (37%) BRMs
TST 2	6	48	13%	11 (23%) SS, 16 (33%) BRMs
TST 3	1	27	4%	6 (22%) SS, 10 (37%) BRMs
QFT-G 1	23	132	17.4%	33 (25%) SS, 49 (37%) BRMs
QFT-G 2	3	31	10%	15 (48%) SS, 12 (38%) BRMs
QFT-G 3	0	6	0%	1 (17%) SS, 3 (50%) BRMs

SS: history of significant steroid use; BRMs: Biologic Response Modifiers.