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+ | Â | TST | QFT+ | TST | QFT+ | TST | QFT+ |
| Â | 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 | Â | Â | Â | Â | Â | Â | Â | Â | Â |
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 | Â | Â | Â | Â | Â | Â | Â | Â | Â |
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 | Â | Â | Â | Â | Â | Â | Â | Â | Â |
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 |