Table 1.

Clinical and Demographic Characteristics of the Study Population

Characteristic N=26,342	Non-TB Cases N=26,248	TB Cases N=94	P-value
Male sex, number (%)	20,984 (80%)	75 (80%)	0.53
Age at enrollment in years, median (IQR)	39 (32–46)	38 (32–44)	0.33
Black race, number (%)	7,659 (29%)	37 (39%)	0.02
Foreign Born, number (%)	1,190 (5%)	18 (19%)	<0.001
IDU as HIV risk factor, number (%)	4,399 (17%)	30 (32%)	<0.001
Baseline absolute CD4+ lymphocytes (cells/mm3), median (IQR)	302 (142–490)	151 (60–279)	<0.001
Baseline HIV-1 RNA copies/mL, median (IQR)	23,729 (1,701–100,000)	60,700 (4,400–188,764)	0.006
Frequency of CD4+ lymphocyte count measurement (months), median (IQR)	3.2 (2.7–3.9)	3.2 (2.1–4.0)	0.61
Person-years of follow-up	147,361	196

HIV, human immunodeficiency virus; IDU, injection drug use; IQR, interquartile range; TB, tuberculosis;