Table 1 Geometric and arithmetic mean (standard deviation) flea counts of spinetoram-treated cats and percent reduction relative to geometric mean counts in control cats in Study 1

 Arithmetic mean

87.0 (10.9)

76.4 (17.2)

77.6 (15.3)

78.0 (11.3)

59.9 (21.2)

61.3 (17.0)

 Geometric mean

86.4

74.5

76.4

77.2

56.3

59.3

 Arithmetic mean

0 (0)

0 (0)

0 (0)

0.8 (1.2)

0.1 (0.4)

2.0 (2.5)

 Geometric mean

0*

0*

0*

0.5*

0.1*

1.3*

 % Reduction from Control

100

100

100

99.4

99.8

97.9