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Volume 25, Number 5—May 2019
CME ACTIVITY - Research

Age-Dependent Increase in Incidence of Staphylococcus aureus Bacteremia, Denmark, 2008–2015

Louise Thorlacius-UssingComments to Author , Haakon Sandholdt, Anders Rhod Larsen, Andreas Petersen, and Thomas Benfield
Author affiliations: Hvidovre Hospital, University of Copenhagen, Copenhagen, Denmark (L. Thorlacius-Ussing, H. Sandholdt, T. Benfield); Statens Serum Institut, Copenhagen (A. Larsen, A. Petersen)

Main Article

Table 2

Incidence rate and incidence rate ratio of Staphylococcus aureus bacteremia stratified by sex and age, Denmark, 2008–2015*

Characteristic IR, SAB/100.000 PY (95% CI) IRR (95% CI)† p value
Sex
F 18.62 (18.06–19.19) Referent NA
M
 31.35 (30.61–32.10)
 2.00 (1.92–2.08)
 <0.001
Age, y
<1 57.96 (51.28–65.12) 17.37 (14.28–21.13) <0.001
1–9 3.35 (2.84–3.91) Referent NA
10–19 3.75 (3.26–4.30) 1.12 (0.91–1.38) 0.281
20–29 3.84 (3.33–4.41) 1.15 (0.91–1.38) 0.199
30–39 6.50 (5.85–7.19) 1.96 (1.63–2.34) <0.001
40–49 12.21 (11.37–13.09) 3.66 (3.09–4.34) <0.001
50–59 22.92 (21.70–24.18) 6.88 (5.84–8.12) <0.001
60–69 46.14 (44.35–47.99) 13.93 (11.86–16.36) <0.001
70–79 81.26 (78.15–84.47) 24.93 (21.23–29.28) <0.001
80–89 145.17 (139.05–151.45) 40.02 (33.35–48.03) <0.001
>90
 197.03 (180.80–214.32)
 49.97 (39.19–63.72)
 <0.001
Period, per-year increment NA 1.04 (1.03–1.05) <0.001

*IR, incidence rate; IRR, incidence rate ratio; NA, not applicable; PY, person-years; SAB, Staphylococcus aureus bacteremia.
†Adjusted for sex, age, and period.

Main Article

Page created: April 12, 2019
Page updated: April 12, 2019
Page reviewed: April 12, 2019
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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