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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 3

Risk factors for infection with quinolone-resistant Campylobacter jejuni as compared with those for quinolone-sensitive C. jejunia

Exposures Patients with resistant isolates (n = 42)
Patients with sensitive isolates (n = 84)
Univariate analysis
Multivariate analysis
mOR
95% CI
p value
mOR
95% CI
p value
No (%) No (%)
Travel abroad within last 7 days
30
(71.4)
12
(14.3)
12.12
4.23 to 34.73
<0.0001
16.81
3.44 to 82.20
0.001
Fluoroquinolone treatment after illness onset but before stool sample or 4 weeks before symptom onset
8
(19.1)
5
(6.0)
4.44
1.15 to 17.09
0.031



Beef (not cold cuts)
27
(64.3)
73
(86.9)
0.31
0.13 to 0.73
0.008



Fresh chicken
14
(33.3)
58
(69.6)
0.17
0.06 to 0.45
0.0004
0.04
0.004 to 0.39
0.005
Fresh poultry other than chicken and turkey
7
(16.7)
7
(8.3)
2.40
0.73 to 7.86
0.148
19.10
2.18 to 167.30
0.008
Sausages
8
(19.1)
33
(39.3)
0.32
0.12 to 0.88
0.027



Handling of raw meat
9
(21.4)
43
(51.2)
0.14
0.04 to 0.48
0.002



Public water supply
19
(45.2)
66
(78.6)
0.17
0.06 to 0.46
0.001



Swimming (pool, ocean, lake, or other places)
20
(47.6)
16
(19.1)
3.22
1.48 to 7.00
0.003
5.01
1.14 to 21.99
0.033
Animal contact 14 (33.3) 45 (53.6) 0.44 0.20 to 0.94 0.032

aMatched odds ratio–univariate and multivariate analysis. mOR, matched odds ratio; CI, confidence interval.

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.

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