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Table 2 Geometric (arithmetic) mean counts of live Dermacentor reticulatus and percent efficacy

From: Two randomized, controlled studies to assess the efficacy and safety of lotilaner (Credelio™) in preventing Dermacentor reticulatus transmission of Babesia canis to dogs

Day

Untreated control

Lotilaner

Comparison 

Mean

Range

Mean

Range

Efficacy (%)

 

Study 1

 4

22.2 (22.4)

18–29

0.2 (0.3)

0–1

99.1 (98.7)

t (14) = 24.07, P < 0.0001

 9

37.6 (39.1)

23–52

0.2 (0.3)

0–2

99.5 (99.2)

t (14) = 20.16, P < 0.0001

 16

13.3 (14.3)

5–19

0.0 (0.0)

0–0

100 (100)

t (14) = 18.54, P < 0.0001

 23

25.1 (32.5)

4–87

0.0 (0.0)

0–0

100 (100)

t (14) = 11.26, P < 0.0001

 30

23.4 (25.1)

12–41

0.0 (0.0)

0–0

100 (100)

t (14) = 21.71, P < 0.0001

Study 2

 34

23.7 (24.5)

15–36

0.0 (0.0)

0–0

100 (100)

t (10) = 28.45, P < 0.0001