Characteristics | Population group | Total | p-value# | |||
RFN | CBO-CB | CBO-FB | FB | |||
Cases | 56 | 18 | 43 | 59 | 176 | |
Age years | 0.001 | |||||
<5 | 23 (41) | 10 (56) | 29 (67) | 16 (27) | 78 (44) | |
5–14 | 33 (59) | 8 (44) | 14 (33) | 43 (73) | 98 (56) | |
Sex | 0.09 | |||||
Female | 25 (45) | 10 (56) | 30 (70) | 35 (59) | 100 (57) | |
Male | 31 (55) | 8 (44) | 13 (30) | 24 (41) | 76 (43) | |
Disease site | 0.03 | |||||
Pulmonary | 51 (91) | 14 (78) | 36 (84) | 41 (70) | 142 (81) | |
Extrapulmonary¶ | 5 (9) | 4 (22) | 7 (16) | 18 (31) | 34 (19) | |
Method of detection | <0.001 | |||||
Contact tracing | 52 (93) | 14 (78) | 27 (63) | 15 (25) | 108 (61) | |
Symptoms | 4 (7) | 4 (22) | 14 (33) | 37 (63) | 59 (34) | |
Other screening+ | 0 (0) | 0 (0) | 2 (5) | 7 (12) | 9 (5) | |
Culture status | 0.47 | |||||
Positive | 22 (39) | 6 (33) | 16 (37) | 34 (58) | 78 (44) | |
Negative | 32 (57) | 9 (50) | 24 (56) | 25 (42) | 90 (51) | |
Unknown§ | 2 (4) | 3 (17) | 3 (7) | 0 (0) | 8 (5) |
Data are presented as n or n (%), unless otherwise stated. CBO-CB: Canadian-born “other” with Canadian-born parents; CBO-FB: Canadian-born “other” with foreign-born parents; RFN: registered First Nations; FB: foreign born. #: Pearson's Chi-squared test or Fisher's exact test if cells contain values <5; ¶: Extrapulmonary includes all cases with an International Classification of Diseases Ninth Revision (ICD-9) code of 013 (TB of meninges and the central nervous system) and/or 018 (miliary TB) with or without disease in other sites. It also includes the single ICD-9 codes 014 (TB of the intestines, peritoneum and mesenteric glands), 015 (TB of the bones and joints), 016 (TB of the genito-urinary system) and 017 (TB of other organs); +: other screening includes immigration medical evaluations, international adoptee screening and incidental findings; §: unknown means that no diagnostic specimens were submitted.