QuantiFERON-TB Gold Test Conversion Is Associated with Active Tuberculosis Development in Inflammatory Bowel Disease Patients Treated with Biological Agents: An Experience of a Medical Center in Taiwan

Table 3

Results of QuantiFERON-TB Gold test after biological treatment.

Characteristics	Total IBD ()	CD ()	UC ()	value (CD vs. UC)
Determinate	122 (99)	69 (100)	53 (97)	0.140
Positivity, (%)	16 (13)	11 (16)	5 (9)	0.288
Negativity, (%)	110 (86)	58 (84)	48 (89)	1.000
Indeterminate, (%)	1 (0.8)	0 (0)	1 (2)	0.454
Latent TB	13 (10.6)	10 (14.5)	3 (5.6)	0.141
Active TB disease	3 (2.4)	1 (1.4)	2 (3.7)	0.590

CD: Crohn’s disease; IBD: inflammatory bowel disease; TB: tuberculosis; UC: ulcerative colitis.