Volume 15, Number 10—October 2009
Research
Mycobacterium tuberculosis Genotype and Case Notification Rates, Rural Vietnam, 2003–2006
Tran N. Buu, Mai N.T. Huyen, Nguyen N.T. Lan, Hoang T. Quy, Nguyen V. Hen, Matteo Zignol, Martien W. Borgdorff, Dick van Soolingen, and Frank G.J. Cobelens
Table 1
Distribution of Mycobacterium tuberculosis genotypes among patients, Vietnam, 2003–2006
| Characteristic |
No. patients |
Genotype |
|||||||
|---|---|---|---|---|---|---|---|---|---|
| Beijing |
Vietnam |
Other |
|||||||
| No. (%) patients |
p value* |
No. (%) patients |
p value* |
No. (%) patients |
p value* |
||||
| Total | 2,097 | 681 (32.5) | 1,063 (50.7) | 353 (16.8) | |||||
| Year | |||||||||
| 2003 | 369 | 115 (31.2) | 0.396 | 190 (51.5) | 0.835 | 64 (17.3) | 0.793 | ||
| 2004 | 628 | 207 (33.0) | 319 (50.8) | 102 (16.2) | |||||
| 2005 | 550 | 192 (34.9) | 270 (49.1) | 88 (16.0) | |||||
| 2006 |
550 |
167 (30.4) |
284 (51.6) |
99 (18.0) |
|||||
| Sex | |||||||||
| M | 1,576 | 494 (31.3) | 0.051 | 826 (52.4) | 0.006 | 256 (16.2) | 0.197 | ||
| F |
521 |
187 (35.9) |
237 (45.5) |
97 (18.6) |
|||||
| Age group, y | |||||||||
| 15–24 | 177 | 93 (52.5) | <0.001 | 52 (29.4) | <0.001 | 32 (18.1) | 0.854 | ||
| 25–34 | 277 | 98 (35.4) | 130 (46.9) | 49 (17.7) | |||||
| 35–44 | 426 | 137 (32.2) | 216 (50.7) | 73 (17.1) | |||||
| 45–54 | 380 | 120 (31.6) | 205 (53.9) | 55 (14.5) | |||||
| 55–64 | 266 | 92 (34.6) | 128 (48.1) | 46 (17.3) | |||||
| >65 | 571 | 141 (24.7) | 332 (58.1) | 98 (17.2) | |||||
*By χ2 test for comparison of proportions of each genotype by year, sex, and age.
