TABLE 1.

Weighted Mean Number of Children (<15 Y) Needed to Screen to Detect 1 TB Diagnosis in Countries With Medium/High TB Incidence, by Screening Modality

	HIV-Positive	HIV Negative/Unknown	Total
Screening Modality	NNS (Range)
Symptoms only	78 (5–undefined) n = 6	2595 (18–5146) n = 13 (children <5 y: 24 [18–58], n = 3)	257 (5–undefined) n = 19 (children <5 y: 24 [18–58], n = 3)
Symptoms and/or TST	—	415 (343–585) n = 2	415 (343–585) n = 2
CXR only	17 (17-17) n = 2	295 (6–388) n = 4	269 (6–388) n = 6
Symptoms and/or CXR	21 n = 1	65 n = 1	54 (21–66) n = 2
Underweight	19 (11-21) n = 2	426 (25–1551) n = 4 (children <5 y: 153, n = 1)	405 (21–1551) n = 6 (children <5 y: 153, n = 1)
Xpert	23 n = 1	—	23 n = 1

—, not applicable.