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Table 3 Live Dermacentor reticulatus tick counts: mean tick count, range, percent reduction and statistical comparisons (P value) at the different days (hours) after infestation

From: Evaluation of the efficacy of sarolaner (Simparica®) in the prevention of babesiosis in dogs

Days post-infection

Treatment group

Geometric (Arithmetic) mean

Range

Percent reductiona

P-value

1

1 (Placebo)

32.8 (33.1)

27–39

na

2 (Sarolaner 28 days earlier)

2.3 (4.0)

0–13

93.0 (87.9)

≤ 0.0001

3 (Sarolaner 21 days earlier)

1.8 (2.1)

0–5

94.6 (93.6)

≤ 0.0001

2

1 (Placebo)

30.5 (30.9)

23–38

na

2 (Sarolaner 28 days earlier)

0

0–0

100

≤ 0.0001

3 (Sarolaner 21 days earlier)

0

0–0

100

≤ 0.0001

5

1 (Placebo)

30.5 (30.9)

26–38

na

2 (Sarolaner 28 days earlier)

0

0–0

100

≤ 0.0001

3 (Sarolaner 21 days earlier)

0

0–0

100

≤ 0.0001

  1. Abbreviation: na not applicable
  2. aPercent reduction calculated using the formula [(C–T)/C] × 100, where C is the geometric (arithmetic) mean of live tick counts for the control group and T is the geometric (arithmetic) mean of live tick counts for the treated group