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Table 6 Regional distribution: number (%) of dogs and parks with a positive test (coproantigen immunoassay or centrifugal flotation) for intestinal parasites

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

Positive tests Nematodes/Giardia Nematodes Hookworms Whipworms Ascarids Giardia
From dogs
 Southeast (n = 989) 270 (27.3) 169 (17.1) 151 (15.3) 27 (2.7) 5 (0.5) 129 (13.0)
 95% CI 24.6–30.2 14.9–19.6 13.2–17.7 1.9–4.0 0.2–1.2 11.1–15.3
 Northeast (n = 400) 72 (18.0) 25 (6.3) 21 (5.3) 8 (2.0) 1 (0.3) 48 (12.0)
 95% CI 14.5–22.1 4.2–9.1 3.4–7.9 1.0–4.0 0–1.6 9.2–15.6
 Midwest (n = 708) 131 (18.5) 44 (6.2) 28 (4.0) 15 (2.1) 6 (0.9) 98 (13.8)
 95% CI 15.8–21.5 4.7–8.3 2.7–5.7 1.3–3.5 0.3–1.9 11.5–16.6
 West (n = 909) 136 (15.0) 25 (2.8) 14 (1.5) 8 (0.9) 5 (0.6) 116 (12.8)
 95% CI 12.8–17.4 1.9–4.1 0.9–2.6 0.4–1.8 0.2–1.3 10.7–15.1
From parks
 Southeast (n = 96) 86 (89.6) 73 (76.0) 69 (71.9) 25 (26.0) 5 (5.2) 70 (72.9)
 95% CI 81.7–94.4 66.6–83.5 62.1–79.9 18.3–35.7 2.0–11.9 63.2–80.8
 Northeast (n = 39) 31 (79.5) 17 (43.6) 16 (41.0) 7 (18.0) 1 (2.6) 28 (71.8)
 95% CI 64.2–89.5 29.3–59.0 27.1–56.6 8.7–33.0 0–14.4 56.1–83.6
 Midwest (n = 68) 59 (86.8) 33 (48.5) 26 (38.2) 12 (17.7) 5 (7.4) 50 (73.5)
 95% CI 76.5–93.1 37.1–60.2 27.6–50.1 10.2–28.5 2.8–16.5 61.9–82.6
 West (n = 85) 67 (78.8) 20 (23.5) 14 (16.5) 8 (9.4) 5 (5.9) 65 (76.5)
 95% CI 68.9–86.3 15.7–33.6 10.0–25.9 4.6–17.7 2.2–13.4 66.4–84.3
  1. Note: See Additional file 1: Table S1 and Additional file 2: Table S2 for detailed numbers by metropolitan region
  2. Abbreviation: CI, confidence interval