Comparison of Interferon-Gamma Release Assay and Tuberculin Skin Test for the Screening of Latent Tuberculosis in Inflammatory Bowel Disease Patients: Indian Scenario

Table 6

(a) Comparison of TST according to immunosuppression and biological use

TST according to immunosuppression
	Immunosuppression		(mm)	value (independent sample unpaired -test)
TST	Yes	99		0.08
	No	32
IFN-γ release according to biological use
TST	Yes	38		0.07
	No	93

(b) Comparison of IFN-γ release according to immunosuppression and biological use

IFN-γ release according to immunosuppression
	Immunosuppression			value (independent sample unpaired -test)
QFT-GIT (test-nil tube)	Yes	99		0.02
	No	32
IFN-γ release according to biological use
QFT-GIT (test-nil tube)	Yes	38		0.06
	No	93