Volume 19, Number 11—November 2013
Dispatch
Pulmonary Nontuberculous Mycobacterial Disease, Ontario, Canada, 1998–2010
Theodore K. Marras
, David Mendelson, Alex Marchand-Austin, Kevin May, and Frances B. Jamieson
, David Mendelson, Alex Marchand-Austin, Kevin May, and Frances B. Jamieson
Table 2
Five-year prevalence of pulmonarynontuberculous mycobacterial disease, Ontario, Canada, 1998–2002 and 2006–2010*
| Isolate | 1998–2002 | 2006–2010 | p value |
|---|---|---|---|
| M. avium complex | 18.0 | 26.5 | <0.0001 |
| M. xenopi | 7.4 | 9.5 | <0.0001 |
| M. fortuitum | 0.63 | 1.2 | 0.01 |
| M. abscessus | 0.63 | 1.2 | <0.0001 |
| Other nontuberculous Mycobacterium spp. | 1.8 | 3.0 | <0.0001 |
| All nontuberculous Mycobacterium spp. | 29.3 | 41.3 | <0.0001 |
*Period prevalence of disease excludes Mycobacterium gordonae (a rarely pathogenic species) and is calculated as the total number of persons whose illness fulfilled disease criteria (>2 sputum nontuberculous Mycobacterium isolates or 1 bronchoscopic or biopsy nontuberculous Mycobacterium isolate) during 1 of the 5-year periods of interest (1998–2002 and 2006–2010), divided by the Ontario population at the midpoints of the periods (2000 for 1998–2002 and 2008 for 2006–2010).
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