TABLE 3.

Stool microbiology results grouped by culture, Xpert MTB/RIF, and smear results^a

Culture	TTP (days)	Xpert	Xpert semiquantitative	Smear	Smear grade	No. of stool specimensb (n = 188)
Pos MTB	9	Det	VL	Pos	1+	1
	16	Det	L	Neg		1
	25	Det	L	Neg		1
	26	Det	L	Neg		1
	19	Neg		Neg		1
	22	Neg		Neg		1
	12	E/I/NR		Pos	1+	1
Neg		Det	M	Pos	3+	1
		Det	VL	Pos	2+	1
		Det	L	Pos	Scanty	1
		Det	VL	Neg		1
		Det	VL	Neg		1
		Det	L	Neg		1
		Neg		Neg		85
		E/I/NR		Neg		12
Contaminated		Det	VL	Neg		1
		Neg		Neg		69
		E/I/NR		Neg		8

^aTTP, time to positivity; Pos, positive; Det, M. tuberculosis detected; VL, very low; L, low; Neg, negative; E/I/NR, error, invalid, or no result; M, medium.

^bOne stool specimen per participant (n = 188 participants).