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Table 4 Number (%) of dogs positive for intestinal parasites by coproantigen immunoassay or centrifugal flotation by age grouping

From: Detection of gastrointestinal parasitism at recreational canine sites in the USA: the DOGPARCS study

Demographic category Nematodes/Giardia Nematodes Hookworms Whipworms Ascarids Giardia
< 12 months; puppy (n = 363) 152 (41.9) 50 (13.8) 35 (9.6) 14 (3.9) 11 (3.0) 121 (33.3)
95% CI 36.9–47.0 10.6–17.7 7.0–13.1 2.3–6.4 1.6–5.4 28.7–38.3
1–3 years; young adult (n = 1371) 307 (22.4) 132 (9.6) 108 (7.9) 30 (2.2) 6 (0.4) 195 (14.2)
95% CI 20.3–24.7 8.2–11.3 6.6–9.4 1.5–3.1 0.2–1.0 12.5–6.2
4–6 years; mature adult (n = 613) 70 (11.4) 43 (7.0) 37 (6.0) 8 (1.3) 0 (0.0) 30 (4.9)
95% CI 9.1–14.2 5.2–9.3 4.4–8.2 0.6–2.6 0.0–0.8 3.4–6.9
≥ 7 years; senior (n = 659) 80 (12.1) 38 (5.8) 34 (5.2) 6 (0.9) 0 (0.0) 45 (6.8)
95% CI 9.9–14.9 4.2–7.8 3.7–7.1 0.4–2.0 0.0–0.7 5.1–9.0
  1. Note: Percentages are based on the number of positive dogs in that age group as the numerator and total of dogs reported to be in that category as denominator
  2. Abbreviation: CI, confidence interval