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. 2016 Feb 24;9:104. doi: 10.1186/s13071-016-1377-9

Table 1.

The Range, Arithmetic (AM) and Geometric (GM) Mean live Dermacentor reticulatus counts, and efficacy relative to placebo at 8 hours after treatment and re-infestations for dogs treated with either a single oral dose of sarolaner or a single topical application of imidacloprid+permethrin on Day 0

Treatment Day of treatment or re-infestation
0 7 14 21 28 35
Placebo Range 23 to 43 12 to 34 26 to 43 13 to 40 21 to 39 20 to 43
AM 33.8 23.5 35.8 28.4 32.4 35.4
GMc 32.4a 21.7a 34.5a 26.4a 31.2a 33.7a
Sarolaner Range 0 to 31 6 to 21 8 to 22 12 to 27 13 to 30 12 to 33
AM 8.3 13.1 12.5 19.9 22.1 21.1
AM Efficacy (%) 75.6 44.1 65.0 30.0 31.7 40.3
GMc 3.4b 12.1b 11.6b 18.6a 20.6a 19.8b
GM Efficacy (%) 89.6 44.1 66.4 29.6 33.9 41.2
P-value vs. placebo <0.0001 0.0157 <0.0001 0.1349 0.0766 0.0239
Imidacloprid+permethrin Range 6 to 45 0 to 33 2 to 18 0 to 18 5 to 20 7 to 42
AM 31.9 9.9 8.9 6.9 14.3 19.5
AM Efficacy (%) 5.6 58.0 75.2 75.8 56.0 44.9
GMc 27.6a 4.2c 7.2b 4.7b 12.8b 16.8b
GM Efficacy (%) 14.6 80.6 79.0 82.0 58.9 50.2
P-value vs. placebo 0.6216 <0.0001 <0.0001 <0.0001 0.0074 0.0331
P-value vs. sarolaner <0.0001 0.0077 0.2152 0.0005 0.1917 0.6461

c Geometric means within columns with the same superscript are not significantly different (P >0.05)