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Volume 10, Number 6—June 2004
Research

Quinolone-resistant Campylobacter Infections in Denmark: Risk Factors and Clinical Consequences1

Jørgen Engberg*†Comments to Author , Jakob Neimann‡, Eva Møller Nielsen§2, Frank Møller Aarestrup§, and Vivian Fussing*3
Author affiliations: *Statens Serum Institut, Copenhagen, Denmark; †Herlev University Hospital, Herlev, Denmark; ‡Danish Institute for Food and Veterinary Research, Søborg, Denmark; §Danish Institute for Food and Veterinary Research, Copenhagen, Denmark

Main Article

Table 2

Prevalence of quinolone resistance in Campylobacter isolates according to destination of foreign travel within 7 days before onset of illnessa

Originb No. of patients Susceptible % resistant Resistant RR 95% CI p value
Domestic (Denmark)
 526
 474
 9.9
 52
 –
 –
 –
Southern Europe
 43
 15
 65.1
 28
 6.59
 4.70 to 9.24
 <0.001
Northern Europe
 17
 17
 0
 0
 –
 –
 –
Western Europe
 18
 10
 44.4
 8
 4.50
 2.52 to 8.01
 <0.001
Central/East Europe
 9
 8
 11.0
 1
 1.12
 0.17 to 7.26
 1.00
East Mediterranean Europec
 13
 6
 53.8
 7
 5.45
 3.09 to 9.59
 <0.001
South Asia
 12
 5
 58.3
 7
 5.90
 3.43 to 10.16
 <0.001
Southeast Asia
 13
 2
 84.6
 11
 8.56
 6.05 to 12.11
 <0.001
Middle Eastd
 5
 2
 60.0
 3
 6.07
 2.84 to 12.99
 0.009
Africa
 5
 3
 40.0
 2
 4.05
 1.34 to 12.21
 0.08
Other regions/subregionse
 17
 9
 47.1
 8
 4.76
 2.70 to 8.39
 <0.001
No travel information 297 249 16.2 48 1.63 1.13 to 2.36 0.011

aRelative risk (RR), p value, and 95% confidence interval (CI) were calculated for the different regions/subregions with domestically acquired infections as reference.
bCountry grouping according to the World Tourism Organization (9).
cExclusive of Turkey.
dExclusive of Egypt.
eOther regions/subregions each with less than five visits (% quinolone resistance): Australasia 1 (0); Caribbean 1 (0); North America 1 (0), South America 2 (100); North Asia 2 (50); unknown destination 1 (0); multiple subregions/regions 9 (56).

Main Article

1This study was presented in part at the 12th International Workshop on Campylobacter, Helicobacter and Related Organisms, September 6–10, 2003, Aarhus, Denmark.

2Current affiliation is Statens Serum Institut, Copenhagen, Denmark.

3Current affiliation is Danish Toxicology Centre, Hørsholm, Denmark.

Page created: February 22, 2011
Page updated: February 22, 2011
Page reviewed: February 22, 2011
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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