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Table 3 I-ACT results against susceptible Anopheles gambiae s.s and resistant An. arabiensis

From: Long-lasting insecticidal nets retain bio-efficacy after 5 years of storage: implications for malaria control programmes

Test systemTest items%24-h mortalitya [95% CI]Odds of dying [95% CI]p-value% feeding inhibition [95% CI]Odds of feeding [95% CI]p-value
Susceptible Anopheles gambiae s.s. (Ifakara strain)LS Olyset® unwashed
New Olyset® unwashed
99.30 [98.25–100.0]
96.28 [93.64–98.93]
1.00
0.17 [0.04–0.79]
0.02494.00 [92.76–99.11]
97.27 [94.84–99.69]
1.00
0.54 [0.05–5.80]
0.610
LS Olyset® washed
New Olyset® washed
85.73 [76.58–94.86]
85.44 [74.29–96.59]
1.00
1.09 [0.61–1.93]
0.77591.40 [88.66–94.14]
92.29 [88.73–95.86]
1.00
0.84 [0.35–1.99]
0.693
Old DawaPlus® 2.0 unwashed
New DawaPlus® 2.0 unwashed
99.66 [98.88–100.0]
99.65 [98.88–100.0]
96.12 [94.40–97.83]
89.37 [82.90–95.84]
1.00
2.14 [0.62–7.47]
0.231
Old DawaPlus® 2.0 washed
New DawaPlus® 2.0 washed
100
96.94 [95.56–98.32]
95.62 [92.81–98.42]
83.81 [78.98–88.64]
1.00
4.37 [2.67–7.15]
0.0001
Resistant Anopheles arabiensis (Kingani strain)Old Olyset® unwashed
New Olyset® unwashed
63.40 [47.83–78.97]
50.31 [33.42–67.19]
1.00
0.49 [0.33–0.72]
0.000192.10 [88.24–95.95]
95.16 [91.07–99.26]
1.00
0.37 [0.08–1.76]
0.213
Old Olyset® washed
New Olyset® washed
33.34 [17.91–48.77]
37.85 [20.11–55.59]
1.00
1.18 [0.81–1.72]
0.40184.25 [79.51–88.99]
86.88 [80.34–93.43]
1.00
0.67 [0.29–1.51]
0.329
Old DawaPlus® 2.0 unwashed
New DawaPlus® 2.0 unwashed
71.30 [56.28–86.32]
68.91 [50.64–87.19]
1.00
0.82 [0.53–1.3]
0.36491.57 [88.72–94.41]
81.78 [75.49–88.07]
1.00
2.55 [1.61–4.06]
0.0001
Old DawaPlus® 2.0 washed
New DawaPlus® 2.0 washed
48.73 [34.18–63.28]
45.74 [27.90–63.57]
1.00
0.86 [0.60–1.22]
0.39383.28 [76.48–90.08]
59.87 [49.89–69.85]
1.00
4.07 [2.60–6.36]
0.0001
  1. N = 30 mosquitoes released per strain per test
  2. LS long storage
  3. aArithmetic mean control-corrected 24-h mortality with 95% confidence intervals (CI) and Arithmetic mean blood-feeding inhibition with 95% confidence intervals (CI)