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Table 3 Regional and national classification of eggs per gram (epg), total sum of epg, apparent prevalence (Ap), true prevalence (Tp), 95% confidence interval (CI), co-infection and flock size rate

From: Liver fluke in Irish sheep: prevalence and associations with management practices and co-infection with rumen fluke

  West (n = 183) East (n = 96) South (n = 26) National (n = 305)
Median epg 0 0 0.1 0
Total sum of epg 428.6 95.4 39.7 563.7
Ap (%) 47.5 41.2 52.0 45.9
Tp (95% CI) (%) 53.1 (45.1–61.3) 45.7 (35.1–56.9) 55.1 (34.9–75.2) 50.4 (44.3–56.8)
Co-infection (%) 43.3 35.1 40.0 40.3
Flock size range 10–550 22–560 17–500 10–560