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Table 1 Geometric (arithmetic) mean counts of live Ixodes ricinus and Rhipicephalus sanguineus ticks in Study 1

From: Laboratory evaluations of the immediate and sustained effectiveness of lotilaner (Credelio™) against three common species of ticks affecting dogs in Europe

Tick species Day Untreated control Lotilaner  
Mean Range Mean Range Efficacy (%) Comparison
Ixodes ricinus 2 18.3 (18.6) 14–26 0.0 (0.0) 0–0 100 (100) t (14) = 46.6, P < 0.0001
9 24.5 (24.8) 20–28 0.3 (0.4) 0–1 98.8 (98.5) t (14) = 21.9, P < 0.0001
16 22.9 (23.6) 13–32 0.0 (0.0) 0–0 100 (100) t (14) = 32.6, P < 0.0001
23 23.6 (25.1) 11–33 0.0 (0.0) 0–0 100 (100) t (14) = 23.0, P < 0.0001
30 24.0 (24.6) 16–35 0.5 (0.8) 0–3 98.0 (97.0) t (14) = 12.7, P < 0.0001
37 24.2 (25.1) 12–35 0.0 (0.0) 0–0 100 (100) t (14) = 29.4, P < 0.0001
Rhipicephalus sanguineus 2 25.0 (26.8) 9–40 0.0 (0.0) 0–0 100 (100) t (14) = 21.4, P < 0.0001
9 29.7 (30.5) 18–39 0.0 (0.0) 0–0 100 (100) t (14) = 37.6, P < 0.0001
16 27.4 (28.6) 15–37 0.0 (0.0) 0–0 100 (100) t (14) = 28.7, P < 0.0001
23 31.4 (32.3) 21–48 0.0 (0.0) 0–0 100 (100) t (14) = 40.8, P < 0.0001
30 31.8 (32.6) 19–43 0.1 (0.1) 0–1 99.6 (99.7) t (14) = 27.6, P < 0.0001
37 29.8 (30.8) 17v41 0.1 (0.1) 0–1 99.6 (99.7) t (14) = 25.4, P < 0.0001