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. Author manuscript; available in PMC: 2014 Jun 10.

Published in final edited form as: Int J Tuberc Lung Dis. 2013 Jul;17(7):922–927. doi: 10.5588/ijtld.12.0610

Table 1.

Demographics of the study patients

		Cavitary disease
		Yes (n = 22) n (%) or mean [SD]	No (n = 51) n (%) or mean [SD]	P value
n		22	51
Age, years		35 [10]	33 [11]	0.338^*
Male sex		15 (68.2)	40 (78.4)	0.351
BMI, kg/m²		18.58 [2.91]	19.12 [2.37]	0.460^*
Smoking (ever)		17 (77.3)	39 (76.5)	0.941
Race	Black	8 (36.4)	22 (43.1)	0.589
Race	Mixed	14 (63.6)	29 (56.9)	0.589
TST, mm		34 [16]	30 [13]	0.348^*
AFB Smear-positive		17 (77.3)	42 (82.4)	0.613
Fever		9 (40.9)	21 (41.2)	0.983

^*

Unpaired t-test with Welch's correction; all other significance assessed using x²

SD = standard deviation; BMI = body mass index; TST = tuberculin skin test; AFB = acid-fast bacilli