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Table 3 Number (%) [95% CI] of dogs and parks with ≥ 1 sample positive for intestinal parasites by coproantigen immunoassay or centrifugal flotation

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

Parasite species Dogs Dog parks
n (%) [95% CI]
(N = 3006)
n (%) [95% CI]
(N = 288)
Any parasitic speciesa 622 (20.7) [19.3–22.2] 245 (85.1) [80.5–88.8]
Nematodesb and/or Giardia 609 (20.3) [18.9–21.7] 243 (84.4) [79.7–88.1]
Giardia spp. 391 (13.0) [11.9–14.3] 213 (74.0) [68.6–78.7]
Nematodesb 263 (8.8) [7.8–9.8] 143 (49.7) [43.9–55.4]
Hookworms 214 (7.1) [6.3–8.1] 125 (43.4) [37.8–49.2]
Whipworms 58 (1.9) [1.5–2.5] 52 (18.1) [14.0–22.9]
Eimeria spp. 37 (1.2) [0.9–1.7] 33 (11.5) [8.2–15.7]
Ascarids 17 (0.6) [0.3–0.8] 16 (5.6) [3.4–8.9]
Cystoisospora 16 (0.5) [0.3–0.9] 16 (5.6) [3.4–8.9]
Alaria 1 (0.0) [0–0.2] 1 (0.4) [0–2.1]
Capillariids 2 (0.1) [0–0.3] 1 (0.4) [0–2.1]
Spirometra 2 (0.1) [0–0.3] 2 (0.7) [0–2.7]
Taeniids 1 (0.0) [0–0.2] 1 (0.4) [0–2.1]
  1. aIncludes all parasitic species of nematodes, as well as Alaria, Cystoisospora and Spirometra and taeniids
  2. bNematodes: hookworms, whipworms, ascarids (includes co-infections)
  3. Abbreviation: CI, confidence interval