Table 5: Frequency of anti-Anaplasma phagocytophilum antibodies infection in relation to equine races in Rio de Janeiro state, Brazil.

PARAMETERS SEROREACTION TOTAL STATISTIC
Positive n. (%) Negative n. (%)
Equines
Mangalarga(A) 26 (4.25) 112 (18.30) 138 (22.55) P=0.0401 [χ2=24.4760(95%CI:0.4346-0.6105)]
Campolina(A) 8 (1.31) 44 (7.19) 52 (8.50)
English thoroughbred (A) 35 (5.72) 120 (19.61) 155 (25.33)
Arabic (B) 2 (0.33) 5 (0.82) 7 (1.14)
Quarter Horse (A) 15 (2.45) 44 (7.19) 59 (9.64)
Mixed race (A) 9 (1.47) 33 (5.39) 42 (6.86)
English thoroughbred + Brazilian Equestrian (B) 3 (0.49) 16 (2.61) 19 (3.10)
Creole + Brazilian Equestrian (B) 2 (0.33) 49 (8.01) 51 (8.33)
Brazilian Equestrian (A) 11 (1.80) 28 (4.58) 39 (6.37)
Andalusian (B) 1 (0.16) 1 (0.16) 2 (0.33)
Pampa(B) 0 (0.00) 6 (0.98) 6 (0.98)
Paint Horse(B) 0 (0.00) 7 (1.14) 7 (1.14)
Lusitano(B) 3 (0.49) 2 (0.33) 5 (0.82)
Holstainer(B) 7 (1.14) 14 (2.29) 21 (3.43)
Mules
Donkey(B) 2 (0.33) 7 (1.14) 9 (1.47)
TOTAL 124 (20.3) 488 (79.7) 612 (100)

Superscript equal letters in parentheses in the column do not differ statistically.