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. Author manuscript; available in PMC: 2017 Jun 8.
Published in final edited form as: Int J Tuberc Lung Dis. 2012 Jun 14;16(8):1108–1112. doi: 10.5588/ijtld.11.0614

Table 1.

Demographics of study participants stratified by M. tuberculosis culture status

Patient
characteristic		 All
(N = 53)
n/N (%)		 M. tuberculosis culture-positive*
(n = 9)
n/N (%)		 M. tuberculosis culture-negative*
(n = 44)
n/N (%)
Age, years, mean [SD] 42 [27–57] 43 [25–61] 42 [28–56]
Female sex    30 (57)     3 (33)    27 (61)
Race
 Black African    26 (49)     5 (56)    21 (48)
 Mixed ancestry    27 (51)     4 (44)    23 (52)
HIV status
 Positive    23 (44)     3 (33)    20 (45)
 Unknown     1 (2)     0     1 (3)
Previous TB†  17/35 (49)    3/6 (50)  14/29 (48)
AFB smear positivity     5 (9)     5 (56)     0
*

No significant differences were found for any of the demographic details between M. tuberculosis culture-positive vs. -negative patients.

†

Data unavailable for 18 patients.

SD = standard deviation; HIV = human immunodeficiency virus; TB = tuberculosis; AFB = acid-fast bacilli.