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Volume 29, Number 7—July 2023
Dispatch

Pulmonary Nontuberculous Mycobacteria, Ontario, Canada, 2020

Theodore K. MarrasComments to Author , Paul Nelson, Adriana Peci, Melissa Richard-Greenblatt, Sarah Brode, Ashleigh Sullivan, Frances B. Jamieson, and Julianne V. Kus
Author affiliations: University of Toronto, Toronto, Ontario, Canada (T.K. Marras, M. Richard-Greenblatt, S. Brode, F.B. Jamieson, J.V. Kus); University Health Network and Mount Sinai Hospital, Toronto (T.K. Marras, S. Brode); Public Health Ontario, Toronto (P. Nelson, A. Peci, M. Richard-Greenblatt, A. Sullivan, F.B. Jamieson, J.V. Kus); University of Oxford, Oxford, UK (M. Richard-Greenblatt); West Park Healthcare Centre, Toronto (S. Brode)

Main Article

Table 2

Patients with pulmonary NTM, by microbiological definition, Mycobacterium species, and patient sex, Ontario, Canada, 2020*

NTM species
 Standard definition, no. (%) patients†
Strict definition, no. (%) patients‡
Female
 Male
 Unknown
 Female
 Male
 Unknown
M. avium 1,051 (53.8) 881 (45.1) 22 (1.1) 653 (55.8) 506 (43.2) 12 (1.0)
M. intracellulare 114 (62.6) 65 (35.7) 3 (1.6) 71 (70.3) 28 (27.7) 2 (2.0)
M. chimaera 17 (43.6) 22 (56.4) 0 10 (55.6) 8 (44.4) 0
M. abscessus 102 (62.1) 62 (37.8) 0 68 (59.6) 46 (40.4) 0
M. xenopi 63 (51.2) 57 (46.3) 3 (2.4) 29 (46.0) 34 (54.0) 0
M. fortuitum 47 (48.0) 50 (51.0) 1 (1.0) 26 (49.1) 27 (50.9) 0
M. gordonae 46 (39.3) 70 (59.8) 1 (0.9) 10 (38.5) 16 (61.5) 0
Other NTM
 67 (45.6)
 78 (53.1)
 2 (1.4)
25 (44.6)
 31 (55.4)
 0
Total 1,507 (53.4) 1,285 (45.5) 32 (1.1) 892 (55.7) 696 (43.4) 14 (0.9)

*Counts within each disease definition represent unique patients; some patients fulfilled criteria for >1 species. NTM, nontuberculous mycobacteria. †Standard microbiological criteria: >2 sputum cultures with the same species, or 1 bronchoscopic or lung biopsy culture ‡Strict microbiological criteria (subset of standard): >3 sputum cultures with the same species, or >2 bronchoscopic cultures with the same species, or 1 bronchoscopic plus 1 sputum culture with the same species, or 1 lung biopsy culture.

Main Article

Page created: April 20, 2023
Page updated: June 20, 2023
Page reviewed: June 20, 2023
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