Table 1.
Demographic and clinical characteristics
| Characteristic | Total patients n = 165 |
|---|---|
| Sex (n, %) | |
| Male | 103 (62.4) |
| Female | 62 (37.6) |
| Age, years (IQR) | 46 (32.5–61) |
| Region of origin (n, %) | |
| Canadian born | 44 (26.7) |
| Foreign born | |
| TB incidence >30 per 100,000 | 115 (69.7) |
| TB incidence of ≤30 per 100,000 | 5 (3.0) |
| Unknown country of birth | 1 (0.6) |
| Year of diagnosis | |
| 2002–2006 | 37 (22.4) |
| 2007–2010 | 56 (33.9) |
| 2011–2014 | 72 (43.6) |
| Co-morbidities (n, %) | |
| Diabetes mellitus | 19 (11.5) |
| Immune suppressive medication | 13 (7.9) |
| Malignancy | 7 (4.2) |
| HIV positive | 6 (3.6) |
| Chronic kidney disease | 2 (1.2) |
| Prior history of TB treatment | |
| No prior TB treatment | 127 (77.0) |
| Prior TB treatment | 24 (14.5) |
| Prior TB treatment unknown | 14 (8.5) |
| Disease site | |
| Pulmonary | 106 (64.2) |
| Extra-pulmonary | 42 (25.5) |
| Pulmonary and extra-pulmonary | 17 (10.3) |
| Extent of pulmonary diseasea | |
| Baseline positive AFB smear | 73 (59.3) |
| Cavitary lesions in chest radiography | 50 (40.7) |
| Isoniazid resistance (n, %) | |
| INH, both high and low level resistance | 84 (50.9) |
| INH, only low level resistance | 81 (49.1) |
aThe denominator used to calculate the percentage for Extent of pulmonary disease was based on cases with pulmonary involvement (n = 123)