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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 2

Diphtheria immunity in a sample of persons ≤79 years of age with low vaccine coverage, the Netherlands

<0.01 IU/ml 0.01-0.1 IU/ml ≥0.1 IU/ml Geometric mean titer
Sample No. (95% CIa) (95% CI) (95% CI) 
(95% CI)
OR

Overall 233 60.9 (42.9-78.9) 12.4 (6.0-18.7) 26.7 (13.8-39.7) 0.02 (0.01-0.04)

Men 116 69.7 (54.2-85.2) 10.4 (4.2-16.6) 19.9 (8.2-31.5) 0.01 (0.01-0.03)

Women 117 52.3 (27.7-76.8) 15.0 (6.9-23.2) 32.7 (15.3-50.1) 0.03 (0.01-0.06)

NMCR

Overall 1,259 17.5 (15.5-19.4) 25.2 (21.3-29.2) 57.3 (52.2-62.4) 0.10 (0.09-0.12)

Men 590 11.5 (8.2-14.8) 25.5 (20.5-30.6) 63.0 (55.4-70.5) 0.14 (0.13-0.16)

Women 669 21.7 (18.0-25.4) 25.0 (21.2-28.9) 53.3 (48.6-58.0) 0.08 (0.07-0.10)
TLVC

Overall 1,492 24.3 (20.5-28.0) 23.6 (20.1-27.1) 52.1 (48.2-56.0) 0.08 (0.07-0.09)

Men 706 20.6 (16.6-24.7) 23.4 (18.9-27.8) 56.0 (50.3-61.7) 0.10 (0.08-0.12)

Women 786 26.7 (21.1-32.4) 23.3 (19.9-26.7) 50.0 (45.3-54.7) 0.07 (0.06-0.09)

aOR, orthodox reformed; NMCR, Not member of religious communities; TLVC, total low vaccine coverage.
bCI, confidence interval

Main Article

Page created: December 15, 2010
Page updated: December 15, 2010
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