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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