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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