Skip to main content

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
  1. *The 0 - <1 year group is a subset of the 0 - <5 year group.