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Table 1 Baseline demographic characteristics of the study populationa

From: Close contact interferon-gamma response to the new PstS1(285–374):CPF10: a preliminary 1-year follow-up study

Baseline characteristics Number of participants (%)
All
53 (100)
Group I
17 (32.1)
Group II
4 (7.5)
Group III
25 (47.2)
Group IV
5 (9.4)
Group V
2 (3.8)
BCG scar 33 (62.3) 9 (52.9) 4 (100) 18 (72) 2 (40) 0 (0)
Females 31 (58.5) 8 (47.1) 3 (75) 16 (64) 3 (60) 1 (50)
Household contact 26 (49.1) 5 (29) 2 (50) 10 (40) 2 (40) 2 (100)
Mean (±SD) age, years 45.1 (±13.2) 43.9 (±13.0) 43.5 (±14.4) 44.5 (±12.6) 46.4 (±18.5) 61.5 (±3.5)¥
Mean (±SD) TST induration, mm 7.2 (±6.1) 0.4 (±1.2) 1.8 (±2.1) 11.8 (±3.7)*¥ 9.8 (± 3.6)*¥ 12.5 (±3.5)*
  1. Group I TSTneg, Group II TST convertors, Group III TSTpos submitted to treatment for latent tuberculosis infection (tLTBI), Group IV TSTpos not submitted to the tLTBI, and Group V developed active pulmonary TB. Mann–Whitney test was used to generate p values
  2. a BCG Bacille Calmette Guérin, mm millimeters, TST tuberculin skin test, SD standard deviation
  3. The symbols * and ¥ were used to identify p values <0.05 comparing to Group I or II, respectively