Table 1

Mean mortalities and 50% and 90% knockdown times (in minutes) (KDT50 and KDT90) of female Anopheles arabiensis in populations from eastern and central Sudan following exposure to permethrin.

Population

No.

Mortalities % (95% CI)

KDT50 (95% CI)

KDT90 (95% CI)


Sennar

300

61.3 (44.4 - 78.3) bc

31.9 (30.2 - 33.7)

105.1 (91.4 - 118.8)

Mayirno

100

81.0 (79.8 - 82.2) abc

25.3 (18.4 - 32.2)

59.7 (52.7 - 66.6)

Damazin

300

77.3 (60.4 - 94.3) abc

37.4 (29.6 - 43.6)

51.6 (30.3 - 72.8)

Khartoum

175

97.5 (96.3 - 98.7) a

19.8 (18.2 - 21.2)

33.9 (32.1 - 36.2)

Kosti

300

60.0 (43.1 - 77.0) c

27.9 (21.1 - 51.5)

79.7 (63.8 - 95.5)

Al Shuwak

160

95.6 (94.4 - 96.8) ab

31.0 (26.2 - 35.9)

55.2 (50.3 - 60.1)

Al Faw

100

97.0 (95.8 - 98.2) a

30.1 (24.9 - 35.3)

53.5 (48.3 - 58.7)


Columns not connected by the same letter are significantly different at a level of P <0.05 (Tukey-Kramer HSD test).

Himeidan et al. Parasites & Vectors 2011 4:154   doi:10.1186/1756-3305-4-154

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