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Table 1 Inhibitory effect of febrifugine on the daily egg output of six paired Schistosoma mansoni adult worms within 7 days

From: In vitro effects of febrifugine on Schistosoma mansoni adult worms

Febrifugine concentration (μg/ml)

Mean daily egg output (± standard error)

Day 0

Day 1

Day 2

Day 3

Day 4

Day 5

Day 6

Day 7

Experiment 1

0 (control)

30.0 ± 9.9

115.3 ± 16.3

111.2 ± 18.2

52.8 ± 14.3

47.2 ± 17.6

36.5 ± 12.9

7.3 ± 4.2

5.7 ± 3.3

0.05

20.2 ± 5.8

102.2 ± 13.8

81.0 ± 19.8

43.3 ± 3.8

4.8 ± 3.1a

0.3 ± 0.3b

0

 

0.1

19.7 ± 9.2

101.3 ± 16.1

74.5 ± 7.8

35.8 ± 3.0

1.2 ± 0.3b

0

  

0.2

24.7 ± 10.5

51.5 ± 17.5

68.8 ± 29.6

18.0 ± 9.1

0.8 ± 0.5b

0.2 ± 0.2b

0

 

0.5

18.3 ± 6.0

85.3 ± 20.3

50.7 ± 15.5

4.5 ± 2.5b

1.2 ± 0.8b

0

  

Experiment 2

0 (control)

26.5 ± 12.6

94.2 ± 18.8

101.2 ± 21.6

98.3 ± 18.9

57.5 ± 14.8

22.0 ± 6.6

8.7 ± 2.4

4.8 ± 1.9

0.005

20.3 ± 6.3

92.0 ± 18.3

69.0 ± 15.1

88.7 ± 29.0

66.2 ± 26.1

13.2 ± 6.1

6.7 ± 2.6

1.7 ± 0.8

0.01

25.3 ± 10.1

86.5 ± 5.9

78.8 ± 15.8

80.0 ± 15.4

48.0 ± 21.3

6.8 ± 5.7

1.7 ± 1.5

0.7 ± 0.4

0.02

16.8 ± 7.2

100.2 ± 28.5

89.5 ± 13.9

84.7 ± 29.8

12.0 ± 5.4a

1.7 ± 0.9a

0

 
  1. Mean daily egg output during the one-day preincubation (day 0) among the control and febrifugine-treated groups was not significantly different in experiment 1 and 2 (Kruskal-Wallis test, P = 0.88 and 0.92 for all comparisons, respectively)
  2. aP < 0.05
  3. bP < 0.01, compared with the corresponding control group according to a Mann-Whitney U test