Table 2 Geometric (arithmetic) mean household flea counts and percent reduction from baseline

1

6.89 (14.93)

–

6.38 (9.23)

–

2

0.06 (0.51)

99.1 (96.6)

t_(186.21) = 24.9

<0.0001

0.50 (1.34)

92.1 (85.5)

t₍₁₄₄₎ = 13.0

<0.0001

3

0.06 (0.10)

99.1 (99.3)

t_(154.39) = 26.4

<0.0001

0.71 (2.44)

88.8 (73.6)

t_(131.94) = 10.7

<0.0001

4

0.04 (0.06)

99.5 (99.6)

t₍₁₄₅₎ = 27.2

<0.0001

0.66 (1.60)

89.7 (82.6)

t₍₁₄₄₎ = 12.0

<0.0001

5

0.08* (0.18)

98.9 (98.8)

t_(168.67) = 25.6

<0.0001

0.87 (2.32)

86.3 (74.9)

t_(134.98) = 10.3

<0.0001

1

6.82 (14.26)

–

6.44 (10.0)

–

2

0.08 (0.50)

98.9 (96.5)

t_(214.76) = 26.6

<0.0001

0.52 (1.46)

91.9 (85.4)

t₍₁₆₆₎ = 13.4

<0.0001

3

0.06 (0.11)

99.1 (99.3)

t_(174.87) = 28.4

<0.0001

0.71 (2.49)

88.9 (75.1)

t_(156.73) = 11.2

<0.0001

4

0.03 (0.05)

99.5 (99.6)

t_(1628.1) = 29.4

<0.0001

0.61 (1.48)

90.5 (85.2)

t₍₁₆₄₎ = 13.0

<0.0001

5

0.07 (0.16)

99.0 (98.9)

t_(189.22) = 27.7

<0.0001

0.81 (2.15)

87.4 (78.5)

t₍₁₆₃₎ = 11.2

<0.0001