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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.

From: Extensive permethrin and DDT resistance in Anopheles arabiensis from eastern and central Sudan

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