Table 1.

Demographics of children who underwent sputum induction in Botswana by TB status

		Cohort by microbiological status*†
Variable	Total cohort (n = 1394) n (%)	AFB-positive (n = 47) n (%)	TB culture-positive (n = 84) n (%)
Sex
Female	651 (47)	23 (4)	41 (6)
Male	743 (53)	24 (3)	43 (6)
Age, years
Median [IQR]	3.8 [1.3–8.4]	5.9 [1.3–11.2]	5.9 [2.1–10.1]
<3	613 (44)	16 (3)	26 (4)
3–4	173 (12)	3 (2)	11 (6)
5–9	320 (23)	9 (3)	23 (7)
10–17	252 (18)	16 (6)	21 (8)
Unknown	36 (3)	3 (8)	3 (8)
HIV status
Positive	373 (27)	13 (3)	22 (6)
Negative	419 (30)	15 (4)	28 (7)
Unknown	602 (43)	19 (3)	34 (6)

^*Data for each variable were not captured for all subjects. Proportion calculated as total positive by the diagnostic modality with the characteristic/total number with the characteristic for whom the diagnostic modality was captured (%).

^†47/1394 (3%) were AFB-positive, 84/1394 (6%) were TB culture-positive. TB = tuberculosis; AFB = acid-fast bacilli; IQR = interquartile range; HIV = human immunodeficiency virus.