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Volume 21, Number 2—February 2015
Research

Naturally Acquired Antibodies against Haemophilus influenzae Type a in Aboriginal Adults, Canada

Eli B. Nix, Kylie Williams, Andrew D. Cox, Frank St. Michael, Sandra Romero-Steiner, Daniel S. Schmidt, William G. McCready, and Marina UlanovaComments to Author 
Author affiliations: Northern Ontario School of Medicine, Thunder Bay, Ontario, Canada (E.-B. Nix, K. Williams, W.G. McCready, M. Ulanova); National Research Council, Ottawa, Ontario, Canada (A.-D. Cox, F. St. Michael); Centers for Disease Control and Prevention, Atlanta, Georgia, USA (S. Romero-Steiner, D.S. Schmidt)

Main Article

Table 1

Demographic characteristics of Aboriginal and non-Aboriginal groups studied for antibodies against Haemophilus influenzae type a, Thunder Bay region, northwestern Ontario, Canada, 2010–2012*

Group No. Age, y
No. (%) female No. (%) ≥60 y
Mean Median SD Range
Aboriginal CRF patients 30 54 54 ±13.4 29–78 21 (70) 10 (33)
Aboriginal healthy comparison group 30 49.1 47 ±9.4 39–75 25 (83) 4 (13)
Non-Aboriginal CRF patients 30 60.3 64.5 ±13.9 26–79 11 (37) 20 (67)
Non-Aboriginal healthy comparison group 30 58.7 56 ±9.4 45–80 18 (60) 11 (37)
Healthy Aboriginal adults 70 37.1 33.5 ±12.7 19–75 58 (83) 4 (6)
Healthy non-Aboriginal adults 70 41.3 43 ±14.1 22–68 44 (63) 7 (10)

*CRF, chronic renal failure. No significant age difference between healthy Aboriginal and non-Aboriginal adults (p = 0.067), Aboriginal and non-Aboriginal CRF patients (p = 0.081), Aboriginal CRF patients and Aboriginal healthy comparison group (p = 0.11), non-Aboriginal CRF patients and non-Aboriginal healthy comparison group (p = 0.60), p<0.05 between Aboriginal and non-Aboriginal healthy comparison groups (p = 0.0002). Healthy comparison groups (n = 30) were drawn from the large group of healthy adults (n = 70).

Main Article

Page created: January 20, 2015
Page updated: January 20, 2015
Page reviewed: January 20, 2015
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.
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