Volume 9, Number 12—December 2003
Research
Mycobacterium tuberculosis Beijing Genotype1
Troels Lillebaek*
, Åse B. Andersen†, Asger Dirksen‡, Judith R. Glynn§, and Kristin Kremer¶
, Åse B. Andersen†, Asger Dirksen‡, Judith R. Glynn§, and Kristin Kremer¶Table 1
Proportion of tuberculosis patients with Beijing family strainsa
| Denmark-born |
Non–Denmark-born |
Total |
||||
|---|---|---|---|---|---|---|
| N/N (%) | N/N (%) | N/N (%) | ||||
| All |
17/1,659 (1.0) |
79/2,183 (3.6) |
96/3,844 (2.5) |
|||
| Male |
9/1,057 (0.85) |
49/1,163 (4.2) |
58/2,220 (2.6) |
|||
| Female |
8/602 (1.3) |
30/1018 (3.0) |
38/1,620 (2.4) |
|||
| Age group (y) |
||||||
| < 25 |
2/118 (1.7) |
21/655 (3.2) |
23/773 (3.0) |
|||
| 25–44 |
7/553 (1.3) |
48/1,159 (4.1) |
55/1,712 (3.2) |
|||
| 45–64 |
4/522 (0.77) |
6/247 (2.4) |
10/769 (1.3) |
|||
| 65+ |
4/466 (0.86) |
4/121 (3.3) |
8/587 (1.4) |
|||
| Y |
||||||
| 1992–93 |
4/335 (1.2) |
12/249 (4.8) |
16/584 (2.7) |
|||
| 1994–95 |
2/371 (0.54) |
19/418 (4.6) |
21/789 (2.7) |
|||
| 1996–97 |
2/330 (0.61) |
16/506 (3.2) |
18/836 (2.2) |
|||
| 1998–99 |
4/316 (1.3) |
15/555 (2.7) |
19/871 (2.2) |
|||
| 2000–01 |
5/307 (1.6) |
17/455 (3.7) |
22/764 (2.9) |
|||
| Area of origin |
||||||
| Western Europe |
17/1,659 (1.0) |
0/71 (0.0) |
17/1,730 (0.98) |
|||
| Eastern Europe |
0/174 (0.0) |
|||||
| Indian subcontinent |
8/290 (2.8) |
|||||
| South East Asia |
37/183 (20.2) |
|||||
| East Asia and Pacific |
3/10 (30.0) |
|||||
| Middle East |
6/211 (2.8) |
|||||
| North Africa |
1/38 (2.6) |
|||||
| Sub–Saharan Africa |
20/1,111 (1.8) |
|||||
| Americas and Caribbean |
0/16 (0.0) |
|||||
| Previous TB |
||||||
| No |
17/1550 (1.1) |
78/2164 (3.6) |
95/3,716 (2.6) |
|||
| Yes |
0/109 (0.0) |
1/19 (5.3) |
1/128 (0.79) |
|||
| Site of TB |
||||||
| Pulmonary |
16/1,394 (1.2) |
56/1248 (4.5) |
72/2,642 (2.7) |
|||
| Extrapulmonary | 1/263 (0.38) | 23/930 (2.2) | 24/1,193 (2.0) | |||
aInformation on immigration status missing for three patients; on region of origin for 81; on age for 3; on sex for 4; and on site of tuberculosis (TB) for 9.
