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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 5

Diphtheria immunity in a nationwide sample among persons 20 to 49 years of age, according to sex and military service, the Netherlands

<0.01 IU/ml 0.01-0.1 IU/ml 0.1 IU/ml Geometric mean titer
Samplea No. (95% CIb) (95% CI) (95% CI) (95% CI)
M, SH 425 2.9 (1.2-4.6) 14.9 (11.1-18.7) 82.2 (78.0-86.5) 0.30 (0.25-0.36)
M, NSH 710 7.8 (5.2-10.3) 33.1 (28.0-38.1) 59.2 (54.0-64.4) 0.12 (0.10-0.14)
W, NSH 1,456 9.1 (7.0-11.2) 32.5 (29.0-36.0) 58.4 (54.5-62.3) 0.12 (0.10-0.13)

aM, men; W, women; SH, service history; NSH, no service history
bCI, confidence interval.

Main Article

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