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Table 1 Frequency of DEA 1– blood type in breeds including15 dogs, statistical analysis results and summary of published data**

From: Frequency of DEA 1 antigen in 1037 mongrel and PUREBREED dogs in ITALY

Breed n° of dogs % DEA 1- P value Chi-square OR 95% CI for OR % DEA 1- and location in literature
Dogo Argentino 56 100 <0.01*   93.08 12.63–686.15 95 B1
Dobermann 17 94 < 0.01 20.63 26.60 3.46–204.55 Data referred to groups <15 dogs
German Shepherds 65 92 < 0.01 59.18 19.95 7.67–51.84 90 B1; 84 SA; 30 I; 0 B2
Boxer 22 82 < 0.01 15.99 7.48 2.44–22.92 Data referred to groups <15 dogs
Corso dog 31 68 <0.01 10.10 3.49 1.56–7.80 71 It
  1. *calculated by Fisher’s exact test, **only data obtained from breed with ≥15 dogs were reported
  2. B1 Brazil, [17]; B2 Brazil, [20]; I India, [27]; It Italy [38]; J Japan, [19]; P Portugal, [26]; S Switzerland, [28]; SA South Africa: [21]