Skip to main content

Table 3 Characteristics and treatment outcomes of persons notified to Montreal public health between January 1996 -- May 2007, stratified by years since arrival to Canada

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

Characteristics of Active TB Patientsa Foreign-born, years since arrival to Canada Canadian-born p-value
0–2 (N = 485) 3–14 (N = 541) 15+ (N = 338) (N = 317)
n % N % N % n %
Sex, male 281 (57.9) 275 (50.8) 172 (51.0) 172 (54.2) 0.22
Age group, in years          <0.01
 0–19 51 (10.5) 35 (6.5) 1 (0.3) 50 (15.8)  
 20–34 257 (53.0) 233 (43.0) 40 (11.8) 37 (11.7)  
 35–64 147 (30.3) 222 (41.0) 169 (50.0) 105 (33.1)  
 65+ 29 (6.0) 50 (9.2) 128 (37.9) 122 (38.5)  
Had provincial health insurance # 213 (43.9) 499 (92.2) 328 (97.0) 308 (97.2)  
Homeless 1 (0.2) 0 (0) 1 (0.3) 7 (2.2) <0.01
Ever smoker 122 25.2 99 18.3 98 29.0 159 50.2 <0.01
Ever substance abuse 27 (5.6) 56 (10.4) 51 (15.1) 98 (30.9) <0.01
HIV 35 (7.2) 51 (9.4) 21 (6.2) 28 (8.8) 0.38
Number of co-morbiditiesb          <0.01
 2 or more 53 (10.9) 78 (14.4) 104 (30.8) 130 (41.0)  
 1 93 (19.2) 116 (21.4) 102 (30.2) 92 (29.0)  
TB diagnosis          <0.01
 Pulmonary, Smear+ 126 (26.0) 188 (34.8) 123 (36.4) 144 (45.4)  
 Pulmonary, other 257 (53.0) 124 (22.9) 77 (22.8) 108 (34.0)  
 Extra-pulmonary 88 (18.1) 219 (40.5) 131 (38.8) 55 (17.4)  
Any pulmonary symptomsc 435 (89.7) 403 (74.5) 273 (80.8) 291 (91.8) <0.01
Any systemic symptomsd 201 (41.4) 321 (59.3) 212 (62.7) 203 (64.0) <0.01
Multi- or poly-drug resistant 13 (2.7) 12 (2.2) 2 (0.6) 4 (1.3) 0.20
Treatment outcome          <0.01
 Cured 421 (86.8) 465 (86.0) 263 (77.8) 246 (77.6)  
 Died 3 (0.6) 16 (3.0) 41 (12.1) 45 (14.2)  
 Defaulted/failed 7 (1.5) 10 (1.8) 4 (1.2) 9 (2.8)  
 Moved 34 (7.0) 20 (3.7) 5 (1.5) 3 (1.0)  
  1. aNote: table subset to people with known birth country and timing of arrival to Canada (N = 1681). Missing data: sex (n = 18), age (n = 5), TB diagnosis (n = 41), treatment outcome (n = 89)
  2. bCo-morbidities include renal disease, liver disease, diabetes, cancer, substance abuse, HIV infection, or other (as reported in public health or hospital records)
  3. cPulmonary TB-related symptoms include cough, hemoptysis, and/or abnormal chest x-ray
  4. dSystemic TB-related symptoms include weight loss, fever, fatigue, and/or night sweats