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Table 1 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 %
Patient demographics
 Sex- male 992 53.6
 Age group
  0–19 years 143 7.7
  20–34 years 602 32.5
  35–64 years 711 38.4
  65+ years 390 21.1
 Had provincial health insurance coverage 1499 80.9
 Country of birthb
  Canada 317 17.1
  Foreign-born, low/moderate TB incidence country 1112 60.0
  Foreign-born, high TB incidence country 380 20.5
 Immigration, years since arrival
   ≤ 2 years 485 26.2
  3–14 years 541 29.2
  15 or more years 338 18.3
  Foreign-born, unknown year of arrival 128 6.9
  Canadian-born 317 17.1
 Homeless 9 0.5
Patient co-morbidities
 Cancer 41 2.2
 Diabetes 132 7.1
 HIV positive 146 7.9
 Renal disease 105 5.7
 Liver disease 153 8.3
 Ever substance abuse 249 13.4
 Number of co-morbiditiesc
  2 or more 412 22.3
  1 446 24.1
 Ever smoker 489 26.4
  1. aMissing data: sex (n = 19), age (n = 6), country of birth (n = 43)
  2. bHigh TB incidence countries (WHO estimated sputum smear positive TB rate of ≥15 per 100,000, 3 year average, 2005–2007) [28]
  3. cCo-morbidities include renal disease, liver disease, diabetes, cancer, substance abuse, HIV infection, or other