. 2018 Jul 13;11:413. doi: 10.1186/s13071-018-2968-4

Table 4.

Geometric (arithmetic) mean counts of live, female I. ricinus ticks and percent efficacy in Study 2 (n = 8)

Day	Untreated control		Lotilaner			Comparison
Day	Mean	Range	Mean	Range	Efficacy (%)	t-value	P-value
2	17.39 (17.63)	12–20	0 (0)	0–0	100 (100)	t₍₇₎ = 46.5	< 0.0001
9	20.90 (21.25)	16–27	0.19 (0.38)	0–3	99.1 (98.2)	t₍₇₎ = 16.2	< 0.0001
16	20.07 (20.50)	15–27	0 (0)	0–0	100 (100)	t₍₇₎ = 40.3	< 0.0001
23	19.17 (19.63)	14–26	0 (0)	0–0	100 (100)	t₍₇₎ = 37.4	< 0.0001
30	20.69 (21.25)	14–29	0 (0)	0–0	100 (100)	t₍₇₎ = 35.5	< 0.0001
37	16.34 (16.75)	11–25	0.09 (0.13)	0–1	99.4 (99.3)	t₍₇₎ = 28.7	< 0.0001