Table 2

QuantiFERON®TB Gold positive results distributed by TST-induration, gender, BCG-status and origin


Total study group
TST 6–9 mm
TST 10–14 mm
TST =>15 mm

Variable
TST
QFT+

TST
QFT+
TST
QFT+
TST
QFT+

No.
No. (%)
95% CI
No.
No. (%)
No.
No. (%)
No.
No. (%)
Study group
511
44 (9)
6.4 – 11.2
207
8 (4)
198
13 (7)
106
23 (22)
Gender









Male
275
21 (8)
4.9 – 11.2
110
6 (6)
110
7 (6)
55
8 (15)
Female
236
23 (10)
6.4 – 14.0
97
2 (2)
88
6 (7)
51
15 (29)
Origin of child









Western-born
280
16 (6)
3.4 – 8.9
131
6 (5)
110
7 (6)
39
3 (8)
Second generation immigrant
108
6 (6)
2.3 – 11.1
41
1 (2)
44
1 (2)
23
4 (17)
First generation immigrant
123
22 (18)
11.9 – 25.4
35
1 (3)
44
5 (11)
44
16 (36)
BCG-scar









Scar
236
23 (10)
6.4 – 14.0
80
2 (3)
89
5 (6)
67
16 (24)
No scar
262
18 (7)
4.2 – 10.4
125
6 (5)
101
7 (7)
36
5 (14)
Doubtful or no report
13
3 (23)
6.2 – 50.9
2
0
8
1
3
2

Number of QuantiFERON®TB Gold positive results among 511 tuberculin skin test positive children detected in the Norwegian school based screening programme in the school year of 2005–6.

Winje et al. BMC Infectious Diseases 2008 8:140   doi:10.1186/1471-2334-8-140