Table 5. Sensitivity of QFT-GIT calculated over the total of patients tested (indeterminate results included as negative results) and only over the interpretable results (indeterminate results excluded) in PTB patients stratified by HIV status according to culture status.

	Indeterminate results included as negative results			Indeterminate results excluded
	Culture-positive	Culture-negative	p value (Culture- negative versus culture -positive)	Culture-positive	Culture-negative	p value (Culture-negative versus culture-positive)
	Positive over total % (95% CI)
HIV-infected	15/17 88.2(63.6–98.5)	11/21 52.4(29.8–74.3)		15/15 100.0(78.2–100)	11/14 78.6(49.2–95.3)
			0.0336			0.0996
HIV-uninfected	42/46 91.3(79.2–97.6)	11/12 91.7(61.5–99.8)		42/44 95.5(84.5–99.4)	11/12 91.7(61.5–99.8)
			1.0			0.5222
Total	57/63 90.5(80.4–96.4)	22/33 66.7(48.2–82.0)		57/59 96.6(88.3–99.6)	22/26 84.6(65.1–95.6
			0.009			0.067

Footnotes: QFT-GIT: QuantiFERON® Gold in Tube; TB: Tuberculosis; HIV: Human Immunodeficiency Virus.