Volume 14, Number 10—October 2008
Dispatch
Decreased Tuberculosis Incidence and Declining Clustered Case Rates, Madrid
Jesús Iñigo, Araceli Arce, Elia Palenque, Darío García de Viedma, and Fernando Chaves
Table 2
Overall and clustered tuberculosis case rates during 2 periods in 3 urban districts of Madrid, Spain*
| Characteristic | Case rate/100,000 persons† |
|||||||
|---|---|---|---|---|---|---|---|---|
| Overall | p value | Clustered | p value | Nonclustered | p value | |||
| All cases | ||||||||
| Period 1 | 30.2 | <0.001 | 7.0 | <0.001 | 8.6 | 0.45 | ||
| Period 2 |
25.7 |
4.4 |
9.3 |
|||||
| Gender | ||||||||
| Male | ||||||||
| Period 1 | 43.5 | 0.01 | 9.4 | 0.08 | 11.9 | 0.91 | ||
| Period 2 | 34.8 | 6.6 | 12.0 | |||||
| Female | ||||||||
| Period 1 | 18.4 | 0.70 | 4.8 | 0.02 | 5.6 | 0.26 | ||
| Period 2 |
17.4 |
2.4 |
6.9 |
|||||
| Age, y | ||||||||
| <35 | ||||||||
| Period 1 | 28.4 | 0.25 | 8.4 | 0.03 | 5.4 | 0.007 | ||
| Period 2 | 24.9 | 5.2 | 9.4 | |||||
| 35–64 | ||||||||
| Period 1 | 30.2 | 0.11 | 5.6 | 0.41 | 10.5 | 0.28 | ||
| Period 2 | 24.8 | 4.3 | 8.2 | |||||
| >64 y | ||||||||
| Period 1 | 32.4 | 0.52 | 4.6 | 0.16 | 12.5 | 0.81 | ||
| Period 2 |
28.9 |
2.8 |
11.4 |
|||||
| Nationality | ||||||||
| Spanish-born | ||||||||
| Period 1 | 29.9 | <0.001 | 7.2 | <0.001 | 8.6 | 0.04 | ||
| Period 2 | 20.0 | 3.9 | 6.3 | |||||
| Foreign-born | ||||||||
| Period 1 | 40.0 | 0.12 | 1.8 | 0.23 | 9.1 | 0.02 | ||
| Period 2 | 58.7 | 7.3 | 26.6 | |||||
*Period 1, 1997–1999; period 2, 2002–2004. All rates (overall, clustered, and nonclustered) refer to average incidence rates/100,000 persons during per the 3-year study period.
†Overall rates refer to all tuberculosis cases. Clustered and nonclustered case rates were calculated only in cases with restriction fragment length polymorphism analysis.
