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Table 5 Calibration of alpha-cypermethrin content and entomological outcomes in Phase II experimental hut trial (Malima et al. [10]) with alpha-cypermethrin content of nets in Phase III household randomised trial

From: Interceptor® long-lasting insecticidal net: phase III evaluation over three years of household use and calibration with Phase II experimental hut outcomes

 

Interceptor LN

Interceptor LN

CTN

Number of washes in Phase II trial

0

20

20

% Mortality corrected for control*

92a

76b

44c

% Personal Protection*

79a

76a

6.4b

Mean concentration of alpha-cypermethrin (mg/m2) in Phase II trial

147

41

1.2

Mean concentration of alpha-cypermethrin (mg/m2) in Phase III trial

2041

422

1.32

  1. *Percentages followed by the same letter superscript do not differ at 0.05 level
  2. 1at baseline before distribution
  3. 2after 36 months