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Volume 19, Number 11—November 2013

Dispatch

Pulmonary Nontuberculous Mycobacterial Disease, Ontario, Canada, 1998–2010

Theodore K. MarrasComments to Author , David Mendelson, Alex Marchand-Austin, Kevin May, and Frances B. Jamieson
Author affiliations: University Health Network, Toronto, Ontario, Canada (T.K. Marras, D. Mendelson); Mount Sinai Hospital, Toronto (T.K. Marras, D. Mendelson); University of Toronto, Toronto (T.K. Marras, D. Mendelson, A. Marchand-Austin, F.B. Jamieson); Public Health Ontario, Toronto (A. Marchand-Austin, K. May, F.B. Jamieson)

Main Article

Table 1

Annual prevalence of all pulmonary nontuberculous mycobacterial disease, Ontario, Canada, 1998–2010*

Year Isolation prevalence† Disease prevalence‡
1998 11.4 4.9
1999 14.3 6.3
2000 15.1 6.1
2001 18.7 7.6
2002 21.0 8.1
2003 18.9 7.3
2004 22.8 8.6
2005 22.6 9.1
2006 23.4 9.7
2007 24.0 10.3
2008 24.5 10.4
2009 24.9 10.7
2010 22.2 9.8

*Annual (1-year) prevalence, per 100,000 population, in a calendar year.
†Prevalence of >1 pulmonary nontuberculous Mycobacterium isolate. Mean annual increase: 6.3% (p = 0.025).
‡Prevalence of >2 sputum nontuberculous Mycobacterium isolates or 1 bronchoscopic or biopsy nontuberculous Mycobacterium isolate. Mean annual increase: 6.5% (p<0.0001).

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