Table 4

Serogroup versus death, IMD cases notified in Hunter New England District, January 1998–July 2016

SerogroupNo. casesCrude CFRCrude OR for deathAdjusted OR for death
(by age category)
B1905.8%ReferenceReference
W1351338.5%10.2 (P<0.001, 95% CI 2.8 to 36.3)4.1 (P=0.06, 95% CI 0.9 to 17.8)
Y1216.7%3.3 (P=0.16, 95% CI 0.6 to 16.7)1.0 (P=0.98, 95% CI 0.2 to 6.4)
C605.1%0.9 (P=0.83, 95% CI 0.2 to 3.2)0.7 (P=0.61, 95% CI 0.2 to 2.7)
  • CFR, case-fatality ratio; IMD, invasive meningococcal disease.