Skip to main content

Table 2 Three-day survival rate of wild caught Anopheles gambiae s.l. following mass drug administration of ivermectin in the treated village compared to the control village

From: Evaluation of ivermectin mass drug administration for malaria transmission control across different West African environments

Study site Year Village Time relative to MDA (week)
    Week -3 Week -2 Week -1 Week 1 Week 2 Week 3
Burkina Faso 2013 (Aug.-Sept.) Control 0.96 ± 0.02 (89) 0.70 ± 0.05 (70) NA 0.71 ± 0.03 (266) 0.651 ± 0.04 (129) 0.89 ± 0.05 (45)
Treated 0.85 ± 0.04 (75) 0.75 ± 0.04 (122) NA 0.50 ± 0.03 (329) 0.709 ± 0.03 (196) 0.81 ± 0.06 (41)
p-value 0.0477 0.6029 - 1.54E-07 0.3268 0.4325
Liberia 2013 (June) Control NA NA NA NA NA NA
Treated NA 0.98 ± 0.01 (104) 0.91 ± 0.04 (66) 0.42 ± 0.04 (147) 0.86 ± 0.05 (50) NA
p-value - - - - - -
Senegal 2009 (Oct.) Control NA NA 0.83 ± 0.06 (40) 0.81 ± 0.05 (62) 0.792 ± 0.08 (24) NA
Treated NA NA 0.79 ± 0.02 (338) 0.48 ± 0.04 (168) 0.75 ± 0.06 (48) NA
p-value - - 0.7879 1.5E-05 0.9218 -
2009 (July-Aug.) Control NA 0.77 ± 0.08 (26) 0.61 ± 0.09 (33) 0.72 ± 0.06 (60) 0.833 ± 0.07 (30) NA
Treated NA 0.90 ± 0.04 (59) 0.82 ± 0.03 (154) 0.57 ± 0.04 (150) 0.819 ± 0.03 (160) NA
p-value - 0.2162 0.015 0.077 1 -
2008 (Aug.) Control NA NA 0.76 ± 0.07 (37) 1.0 ± 0 (26) 0.842 ± 0.08 (19) NA
Treated NA NA 0.70 ± 0.05 (89) 0.40 ± 0.06 (70) 0.636 ± 0.15 (11) NA
   p-value - - 0.6427 4.78E-07 0.4031 -
  1. Data presented are mean survival rate ± s.e. with sample size in brackets. Significance of differences (p-value) between the control and the treated villages were assessed using χ2 test, p-value below 0.05 are indicated in bold.