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. 2015 Nov 19;8:602. doi: 10.1186/s13071-015-1207-5

Table 2.

Acaricidal efficacy bases on geometric and arithmetic means against Rhipicephalus sanguineus ticks

Day Geometric means Arithmetic means
Mean Mean (Efficacy %) P-value Mean Mean (Efficacy %) P-value
Control group Treated group Control group Treated group
Day 9 8.9 0.1 (99.0 %) <.0001 10.4 0.1 (98.8 %) 0.0004
Day 16 18.0 0.0 (100.0 %) <.0001 18.5 0.0 (100.0 %) <.0001
Day 23 18.1 0.0 (100.0 %) <.0001 18.4 0.0 (100.0 %) <.0001
Day 30 18.4 0.0 (100.0 %) <.0001 19.1 0.0 (100.0 %) <.0001
Day 37 18.5 0.0 (100.0 %) <.0001 19.0 0.0 (100.0 %) <.0001
Day 44 20.9 0.0 (100.0 %) <.0001 25.3 0.0 (100.0 %) 0.0038
Day 51 5.6 0.0 (100.0 %) <.0001 7.4 0.0 (100.0 %) 0.0038
Day 58 7.5 0.0 (100.0 %) <.0001 10.0 0.0 (100.0 %) 0.0065

P-value: One-way ANOVA test

Dogs were treated on day 0 and again on day 28