Volume 18, Number 2—February 2012
Declining Guillain-Barré Syndrome after Campylobacteriosis Control, New Zealand, 1988–2010
|Incident condition||Before intervention, 2002–2006
||After intervention, 2008–2010†
|Total no.||Average/year||Rate‡||Total no.||Average/year||Rate‡||Rate ratio (95% CI)||p value|
|Campylobacteriosis notifications§||69,207||13,841||339.4||21,217||7,072||163.8||0.48 (0.48–0.49)||<0.0001|
|Campylobacteriosis hospitalizations¶||4,669||934||23.2||1,603||534||12.2||0.53 (0.51–0.54)||<0.0001|
|GBS hospitalizations¶||513||103||2.6||290||97||2.2||0.87 (0.81–0.93)||0.0496|
*GBS, Guillain-Barré syndrome.
†Excludes 2007, which was a transitional year.
‡Annual no. cases/100,000 person-years at risk. Denominator populations based on mean population estimates published by Statistics New Zealand (www.stats.govt.nz/browse_for_stats/population/estimates_and_projections/national-pop-estimates.aspx). Campylobacteriosis and Guillan-Barré syndrome hospitalizations used age-standardized rates based on the age structure of the New Zealand 2006 Census of Population and Dwellings (www.stats.govt.nz/Census/2006CensusHomePage/classification-counts-tables/about-people/age.aspx).
§Published campylobacteriosis notification data (9).
¶Hospitalization data from New Zealand Ministry of Health.
- Page created: January 26, 2012
- Page last updated: January 26, 2012
- Page last reviewed: January 26, 2012
- Centers for Disease Control and Prevention,
National Center for Emerging and Zoonotic Infectious Diseases (NCEZID)
Office of the Director (OD)