Table 4 Geometric (arithmetic) mean counts of live, female I. ricinus ticks and percent efficacy in Study 2 (n = 8)

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