. Author manuscript; available in PMC: 2015 Jan 1.

Published in final edited form as: Tuberculosis (Edinb). 2013 Nov 6;94(1):51–54. doi: 10.1016/j.tube.2013.10.009

Table 1.

Clinical and Demographic Characteristics of Study Groups

Characteristics^a	Prior TB disease (n=29)	No TB disease (n=36)	P^b
Age in years^c	48 (35–59)	44 (37–54)	0.58
Male sex	16 (55)	13 (36)	0.12
Black race	11 (38)	7 (19)	0.10
Hispanic	4 (14)	1 (3)	0.10
Non US-born	13 (45)	2 (6)	<0.01
Enrollment in winter	8 (28)	6 (17)	0.29
25(OH)D ng/mL^c	24.7 (18.3–34.1)	33.6 (26.2–42.4)	0.01

Data are presented as numbers (%) of individuals except indicated.

Obtained by using Mann-Whitney or Pearson’s chi-square test.

Data are presented as median numbers (interquartile range).