Immunological Responses and Epitope Mapping by Tuberculosis-Associated Antigens within the RD1 Region in Japanese Patients

Table 1

Sensitivity of IGRAs. Patients were divided into three categories: active disease, past disease, and latent TB infection (LTBI). QFT-GIT was conducted in 177 patients and ELISPOT in 115 patients.

	QFT-GIT (𝑛=177)		ELLISPOT (𝑛=115)
	(−)	(+)	(−)	(+)
Active disease	17 (9.6%)*	39 (22.0%)	1 (0.9%)**	35 (30.4%)
Past disease	38 (21.5%)	65 (36.7%)	6 (5.2%)	59 (51.3%)
LTBI	6 (3.4%)	12 (6.8%)	0 (0%)	14 (12.1%)
Total	61 (34.5%)	116 (65.5%)	7 (6.1%)	108 (93.9%)

∗Percentage of total number tested using QFT-GIT (𝑛=177).
**Percentage of total number tested using ELISPOT (𝑛=115).