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Table 2 Prevalence rates, mean eggs per gram (EPG) EPG value, mean intensity (MI) of EPG and odds ratio (OR) reported for different seasons, sex, areas and housing conditions

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

  Seasons Sex Areas Housing condition
  Winter Spring Summer Autumn Male Female Zone 1 Zone 2 Zone 3 Box Outdoor Indoor/outdoor
Examined 1937 2083 1230 1646 2771 2366 4118 1878 898 2383 949 2364
Prevalence % 6.5 6.8 5.1 6.4 5.5 5.8 6.7 5.3 3.7 4.4 8.1 4.4
Mean EPG Mean 45.2 30.0 28.0 55.3 29.4 29.3 40.9 32.1 52.1 22.1 55.6 39.2
MI EPG 700.5 440.3 549.3 867.5 536.3 510.2 610.6 184.6 214.6 506.4 156.8 115.5
Odds ratio (95% CI) (OR) 1.00 (0.83–1.2) 1.06 (0.89–1.26) 0.78 (0.60–1.01) 0.99 (0.81–1.21)    1.00 (0.88–1.13) 0.77 (0.62–0.95) 0.53 (0.37–0.75) 1.00 (0.82–1.22) 1.94 (1.52–2.47) 1.01 (0.83–1.23)
P-value P = 0.509    P = 0.0008 P < 0.001
  1. EPG: eggs per gram; MI: mean intensity; 95% CI: 95% confidence interval