Table 1

No (%) of BCG scar formations in three groups of different post vaccination tuberculin reactions among school children

Mantoux
Children
Evaluation of scar formation [n (%)]

Induration (mm)
n
Real scar (>2 mm)
Tiny scar (≤ 2 mm)
No scar (?)
Negative (0–3,9)
43
17 (39.5)*
20 (46.5)**,***
6 (14)***,***
Weak positive (4–5,9)
45
32 (71.1)
13 (28.9)**,***
0 (0)***,***
Positive (>6)
1036
1030 (99.4)*
6 (0.6)***,***
0 (0)***,***

Total
1124
1079 (96.0)
39 (3.5)
6 (0.5)

p values apply to differences among negative, weak positive and positive indurations for the same scar formation groups (real scar, tiny or not visible scar).

* < 0.01, ** p < 0.025, *** p < 0.001.

Briassoulis et al. Journal of Immune Based Therapies and Vaccines 2005 3:1   doi:10.1186/1476-8518-3-1