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Table 2 Clinical characteristics of persons with TB notified to Montreal Public Health between January 1996 -- May 2007, N = 1852

From: Predictors of hospitalization of tuberculosis patients in Montreal, Canada: a retrospective cohort study

  Number (%) of active TB patientsa
N %
Mycobacteriology and disease site
 Pulmonary, Smear+ 619 33.4
 Pulmonary, Smear- 625 33.7
 Extra-pulmonary 563 30.4
Clinical and radiographic features of TB disease
 Miliary TB 35 1.9
 Cavitary TB 336 18.1
 Any pulmonary TB-related symptomsb 1530 82.6
 Any systemic TB-related symptomsc 1018 55.0
Drug resistance
 Multi- and poly-TB drug resistant 33 1.8
 Mono-TB drug resistant 122 6.6
 Pan-sensitive 1664 89.8
Therapy supervision, ever directly-observed (DOT) 807 43.5
Treatment duration in days, median (min-max) 208 (183–295)
Treatment outcome
 Cured 1518 82.0
 Died 127 6.9
 Defaulted/failed 34 1.8
 Moved 69 3.7
  1. aMissing data: TB diagnosis (n = 45), drug resistance (n = 33), treatment outcome (n = 104)
  2. bPulmonary TB-related symptoms: cough, hemoptysis, and abnormal chest x-ray
  3. cSystemic TB-related symptoms: weight loss, fever, fatigue, night sweats