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

BMC Infectious Diseases

Table 1 Characteristics of persons with TB, notified to Montreal public health between January 1996 -- May 2007, N = 1852

	Number (%) of active TB patients^a
	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 birth^b
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-morbidities^c
2 or more	412	22.3
1	446	24.1
Ever smoker	489	26.4

^aMissing data: sex (n = 19), age (n = 6), country of birth (n = 43)
^bHigh TB incidence countries (WHO estimated sputum smear positive TB rate of ≥15 per 100,000, 3 year average, 2005–2007) [28]
^cCo-morbidities include renal disease, liver disease, diabetes, cancer, substance abuse, HIV infection, or other

ISSN: 1471-2334