Table 3 Overall positivity rate and crude population rate per 100,000 of confirmed B. pertussis by age groups in Alberta
From: Bordetella pertussisin sporadic and outbreak settings in Alberta, Canada, July 2004 – December 2012
Age group (number of laboratory confirmed cases) | Confirmed (% of suspected cases) | Crude population rate of confirmed cases per 100,000 |
|---|---|---|
0 - <5 years (n = 441)* | 5.4% | 27.5 |
0- <1 years (n = 209)* | 5.6% | 62.3 |
5 years - <10 years (n = 182) | 7.1% | 10.6 |
10 years - <15 years (n = 273) | 14.1% | 15.4 |
15 years - <20 years (n = 95) | 8.2% | 4.9 |
20 years - <40 years (n = 167) | 5.4% | 1.9 |
40 years - <60 years (n = 113) | 4.9% | 1.4 |
60 years & up (n = 23) | 3.2% | 0.5 |