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Table 2.

The knockdown (KD) rate at 60 min and the mortality rate of Kisumu and the wild resistant strain M’Bé after a 3 min and a 30 min exposure to treated nets following WHO standard procedures (WHO 2013) before washing, after washing, and after the field trial.

Kisumu
M’Bé
3 min exposure   30 min exposure 3 min exposure 30 min exposure

Times Treatment N % KD (60 min) % Mortality (72 h) N % KD (60 min) % Mortality (72 h) N % KD (60 min) % Mortality (72 h) N % KD (60 min) % Mortality (72 h)
Before washing Untreated net 212 0a 4a,1 269 0a 3a,1 150 0a 4a,1 155 0a 4a,1
Chlorfenapyr-CTN 206 2a 18b,1 200 16b 52b,2 99 0a 12b,1 100 0a 24b,1
Interceptor® LN 171 97c 99d,1 172 100c 100c,1 172 4a 9ab,2 55 15b 87c,1
Interceptor® G2 LN 167 61b 42c,1 172 100c 81c,2 51 0a 26c,1 180 1a 65b,2
After washing and before the trial Untreated net 108 0a 3a,1 53 0b 5a,1 51 0a 4a,1 51 0a 4a,1
Interceptor® LN 167 100b 100b,1 168 100b 100b,1 52 21b 14a,2 52 62c 17b,2
Interceptor® G2 LN 164 100b 100b,1 167 100b 100b,1 108 5a 6a,3 100 15b 24b,2
After the trial Untreated net 158 0a 3a,1 158 0a 3a,1 309 0a 2a,1 309 0a 2a,1
Chlorfenapyr-CTN 153 21a 56c,1 161 39b 66b,1 103 7b 14bc,2 112 4b 45c,1
Interceptor® LN unwashed 55 93b 100d,1 56 100c 100d,1 100 6b 27c,2 108 4b 45c,2
Interceptor® LN 20 washes 51 94b 100d,1 48 100c 100d,1 107 23c 15bc,3 107 28c 32bc,2
Interceptor® G2 LN unwashed 53 84b 35b,2 57 100c 86c,1 102 0a 6b,3 109 0a 18b,2
Interceptor® G2 LN 20 washes 53 100b 100d,1 53 100c 100d,1 98 4b 6b,3 111 15c 20b,2

For each strain, values in the same row sharing the same superscript letter do not differ significantly (95% confidence interval). Values in the same line sharing the same superscript number do not differ significantly (95% confidence interval)

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