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Table 2 The effect of season and temperature on the incidence of E. coli bloodstream infection, by place of onset

From: Effect of temperature on Escherichia coli bloodstream infection in a nationwide population-based study of incidence and resistance

Variable

Community onset

Hospital onset

IRR

95% CI

P

IRR

95% CI

P

Holiday season

1.07

0.97, 1.18

0.2

1.03

0.88, 1.19

0.7

Temperature, °C*

1.01

1.00, 1.02

0.008

1.00

0.99, 1.02

0.6

Female sex

1.42

1.33, 1.52

 < 0.001

0.98

0.88, 1.08

0.7

Age category, years

      

 18–44

–

–

 

–

–

 

 45–64

2.18

1.94, 2.44

 < 0.001

1.93

1.62, 2.32

 < 0.001

 65–74

2.97

2.65, 3.32

 < 0.001

2.26

1.90, 2.70

 < 0.001

 75 +

7.84

7.05, 8.72

 < 0.001

3.25

2.75, 3.85

 < 0.001

Number of months since January 2018

1.01

1.00, 1.01

0.02

1.01

1.00, 1.02

0.01

  1. *When temperature was modelled dichotomously as ≤ 25 °Cor > 25 °C, results were IRR 1.16 (95% CI 1.05, 1.27) p = 0.002 for CO BSI and 1.03 (95% CI 0.89, 1.19) p = 0.7 for HO BSI
  2. Holiday season: July to October
  3. IRR Incidence rate ratio, CI confidence interval
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Antimicrobial Resistance & Infection Control

ISSN: 2047-2994

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