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Table 1 Characteristics of study subjects.

From: New tools for detecting latent tuberculosis infection: evaluation of RD1-specific long-term response

  Controls
N (%)
13 (8.8)
TST+, suspected LTBI
N (%)
106 (71.6)
Cured TB
N (%)
29 (19.6)
Total
N (%)
148 (100)
Age Median (IQR) 33 (29.5-35) 35 (21-48) 31.5 (25-49) 36 (28-50)
Female Gender 8 (61.5) 33 (31.1) 15 (51.7) 56 (37.8)
Origin     
Italy 12 (92.3) 49 (46.3) 9 (31.1) 70 (47.3)
Abroad 1 (7.7) 57 (53.7) 20 (68.9) 78 (52.7)
TST Median in mm (IQR) 0 (0) 20 (15-45) ND 20* (15-30)
TST + 0 106 (100) ND 106/119** (89)
BCG     
Vaccinated 4 (30.8) 37 (34.9) 19 (65.5) 60 (40.6)
unvaccinated
unknown
9 (69.2)
0
50 (47.2)
19 (17.9
10 (34.5)
0
69 (46.6)
19 (12.8)
  1. Footnotes: BCG: Bacillus Calmètte et Guerin; LTBI: latent tuberculosis infection; N: number; TST: tuberculin skin test.
  2. *among TST+
  3. ** among those tested by TST