Volume 19, Number 11—November 2013
Pulmonary Nontuberculous Mycobacterial Disease, Ontario, Canada, 1998–2010
|M. avium complex||18.0||26.5||<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).