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Table 3 Prevalence rates reported according to classes of eggs per gram (EPG) for the 435 horses shedding Parascaris spp. eggs (P-value <  0.0001)

From: Parascaris spp. eggs in horses of Italy: a large-scale epidemiological analysis of the egg excretion and conditioning factors

EPG classes

Positives horses

Prevalence %

Odds ratio (95% CI)

≤ 50 EPG

135

31.0

1.00 (0.79–1.25)

> 50 ≤ 200 EPG

124

28.5

0.89 (0.71–1.12)

> 200 ≤ 500 EPG

77

17.7

0.48 (0.37–0.62)

> 500 ≤ 1000 EPG

39

9.0

0.22 (0.16–0.31)

> 1000 ≤ 2000 EPG

32

7.4

0.18 (0.12–0.26)

> 2000 EPG

28

6.4

0.15 (0.10–0.22)

  1. EPG: eggs per gram; 95% CI: 95% confidence interval
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Parasites & Vectors

ISSN: 1756-3305

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