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Table 2 Results for Anopheles epiroticus of the experimental hut trial in the Mekong delta, southern Vietnam

From: Impact of insecticide-treated nets on wild pyrethroid resistant Anopheles epiroticus population from southern Vietnam tested in experimental huts

Outcomes measuresA Control PermaNet 2.0 unwashed PermaNet 3.0 unwashed PermaNet 2.0 20× washed PermaNet 3.0 20× washed CTN Washed just before exhaustion (5 × washed)
ENTRY RATE       
   Total females caught 4114 2851 3289 3038 2671 3821
   Females caught per night 114.3a 79.2a, b 91.4a, b 84.4a, b 74.2b 106.1a, b
   Deterrence % (TC - TT)/(TC)*100 -- 30.7 20.1 26.2 35.1 7.1
EXIT RATE       
   Total Females in veranda 1757 1105 1185 1419 921 2043
   Exophily % 42.7a 38.8b 36.0c 46.7d 34.5c 53.5e
   95% CI 41.2 - 44.2 37.0 - 40.6 34.4 - 37.7 44.9 - 48.5 32.7 - 36.3 51.9 - 55.1
BLOOD FEEDING RATE       
   Total females blood fed 999 189 150 236 178 334
   blood fed (%) 24.3a 6.6b 4.6c 7.8b, d 6.7b 8.7d
   95% CI 23.0 - 25.6 5.7 - 7.6 3.9 - 5.3 6.8 - 8.8 5.7 - 7.7 7.9 - 9.7
   Blood fed inhibition % (%BFC-%BFT)/(%BFC)*100 -- 72.7 81.2 68.0 72.6 64.0
   personal protection % (BFC-BFT)/(BFC)*100 -- 81.1 85.0 76.4 82.2 66.6
MORTALITY RATE       
   Total females dead 1394 2617 3145 2487 2437 2645
   Overall mortality (%) 34.1a 92.2b 96.4c 82.3d 91.6b 69.7e
   95% CI 32.7 - 35.6 91.1 - 93.2 95.7 - 97.0 80.9 - 83.6 90.5 - 92.6 68.2 - 71.1
   Overall insecticidal effect (DT-DC)/(TC)*100 -- 29.7 42.6 26.6 25.4 30.4
   Overall mortality among blood fed (%) 10.1a 89.9b 94.7b 93.6b 92.0b 81.2c
   95% CI 8.3 - 12.1 84.7 - 93.8 98.8 - 97.7 89.6 - 96.4 87.0 - 95.6 76.6 - 85.3
   Overall corrected mortality among blood fed (%) -- 88.8 94.1 92.8 91.2 79.1
  1. Number in the same row sharing a letter superscript do not differ significantly (P > 0.05). Significance level for difference P < 0.05 ATc: total number of mosquitoes collected in control arm; TT: total number of mosquitoes collected in treated arm; BFC: total number of blood fed females in the control arm; BFT: total number of blood-fed female mosquitoes in the treated arm; DC: total number of dead mosquitoes in the control arm; DT : total number of dead mosquitoes in the treated arm.