Skip directly to search Skip directly to A to Z list Skip directly to page options Skip directly to site content

Volume 5, Number 5—October 1999

Dispatch

Diphtheria Antitoxin Levels in the Netherlands: a Population-Based Study

Hester E. de MelkerComments to Author , G.A.M. Berbers, N.J.D. Nagelkerke, and M.A.E. Conyn-van Spaendonck
Author affiliations: National Institute of Public Health and the Environment, Bilthoven, the Netherlands

Main Article

Table 4

Diphtheria immunity in a nationwide sample and in orthodox reformed persons in municipalities with low vaccine coverage, the Netherlands.

Samplea <0.01 IU/ml 0.01-0.1 IU/ml 0.1 IU/ml Geometric mean titer
(yrs) No. (95% CIb) (95% CI) (95% CI) (95% CI)
NW
0-49 5,064 5.3 (4.4-6.2) 27.3 (25.3-29.4) 67.4 (65.2-69.5) 0.17 (0.16-0.19)
50 -79 2,651 29.2 (26.4-31.9) 37.4 (35.3-39.5) 33.4 (31.3-35.6) 0.04 (0.04-0.05)
ORLVC
0-49 170 60.8 (40.2-81.4) 7.4 (2.3-12.6) 31.8 (13.8-49.7) 0.02 (0.01-0.05)
50 -79 63 59.3 (30.1-88.6) 34.6 (9.5-59.6) 6.1 (0.0-18.2) 0.01 (0.005-0.025)

aNW, nationwide; ORLVC, Orthodox reformed from low vaccine coverage sample.
bCI, confidence interval.

Main Article

TOP