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. 2012 Aug 24;7(8):e43739. doi: 10.1371/journal.pone.0043739

Table 4. Demographic and clinical characteristics of the non-active TB individuals.

Individuals without active TB (n = 980)
Low risk of TB exposure High risk of TB exposure
(n = 559) (n = 421)
Blood donors Healthy Community Adults Non -TB Patients (a) Health Care Workers Healthy Family Contacts Cured TB
(n = 459) (n = 100) (n = 73) (n = 123) (n = 135) (n = 90)
Percentage
Pulmonary disease NA NA 58.9 NA NA 100.0
Median Age (IQR) NA 44.0 40.0 30.0 32.0 34.0
Ratio M/F NA 1.7 2.5 1.0 1.0 3.1
Male prevalence NA 63.0 71.2 49.6 51.1 75.6
Diabetes 0.0 0.0 20.9 0.8 0.0 0.0
Poor Nutrition 0.0 0.0 0.0 0.0 0.0 0.0
Past TB NA 0.0 10.9 0.0 0.7 100.0
TB <2 years NA 0.0 1.4 0.0 0.0 28.1
TB 2 to10 years NA 0.0 5.5 0.0 0.0 71.9
TB>10 years NA 0.0 4.1 0.0 0.7 0.0
Contact with TB 0.0 0.0 4.7 0.0 100 0.0
(a)

The hospitalized non-active TB control group presented a pulmonary disease in 58.9% of the 73 enrolled individuals with a definitive diagnosis excluding active TB: bacterial or atypical pneumonia (34.9%); Bronchitis (11.6%), MOTT infection (11.6%), lung cancer (7.0%), COPD (7.0%), complicated Asthma (7.0%), Lung abscess (4.7%), post-TB Lung fibrosis (2. 3%), Mediastinal lymphadenopathy (2.3%) and Sarcoïdosis (2.3%);