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Table 2 Nasal carriage of MRS and MDRS in horses by their intended use

From: Prevalence and risk factors associated with nasal carriage of methicillin-resistant staphylococci in horses and their caregivers

 

Internal barn

Racehorses

Show horses

Pleasure horses

All external barns

Horses [n]

5

33

38

39

110

Horses with ≥ 1 MRS [n]

5

14

10

9

33

Prevalence of MRS carriage (95% CI)

1

0.42

(0.28, 0.58)

0.26

(0.13, 0.46)

0.23

(0.10, 0.45)

0.30

(0.21, 0.41)

Prevalence ratio for MRS carriage [PR (95% CI)]

1.84 (0.83, 4.07)

1.14 (0.44, 2.92)

1

Horses with ≥ 1 MDRS [n]

2

10

8

2

20

Prevalence of MDRS carriage (95% CI)

0.40

0.30

(0.16, 0.50)

0.21

(0.08, 0.44)

0.05

(0.01, 0.17)

0.18

(0.10, 0.30)

Prevalence ratio for MDRS carriage [PR (95% CI)]

5.91 (1.55, 22.52)

4.10 (0.96, 17.58)

1

  1. “All external barns” includes data from the 21 racehorses and shows riding barns.