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. 2018 Dec 8;9(2):118–127. doi: 10.1093/jpids/piy128

Figure 2.

Figure 2.

Intensive care unit (ICU) admission rates and admission incidences at Canadian Immunization Monitoring Program, Active (IMPACT) hospitals, 1999–2015. Shown are age-specific (<4 months) population-based ICU admission incidences (per 100000 population) (A) and ICU admission rates (percentages) (B) among infants hospitalized with pertussis in IMPACT hospitals, 1999–2015. The small numbers of patients older than 4 months who were admitted to an ICU precluded description of the incidence rates here.