. 2021 May 7;35(3):1316–1324. doi: 10.1111/jvim.16139

TABLE 1.

Percentage of positive SNAP 4Dx/4Dx Plus tests with 95% confidence intervals for infectious agents in 1779 blood units from 982 canine blood donors, Canada, 2010‐2014

Pathogens antibodies or antigens	Number positive	Percentage of positivity (%)
Pathogens antibodies or antigens	Number positive	Estimate	95% CI
Dirofilaria immitis antigens ^a	0	0.00	0.00‐0.21
Anaplasma phagocytophilum/platys antibodies	10	0.56	0.12‐1.00
Borrelia burgdorferi antibodies ^a	51	2.87	1.48‐4.26
Ehrlichia canis/ewingii antibodies ^a	0	0.00	0.00‐0.21

Abbreviation: CI, confidence intervals.

^{^a}

Confidence intervals were computed using the exact method, with no adjustment for clustering.