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Table 3 Bioassay data with Anopheles gambiae s.s (Kisumu strain). Three minute exposure using the cone test. GM = geometric mean, CI = confidence interval.

From: Long-term field performance of a polyester-based long-lasting insecticidal mosquito net in rural Uganda

A Average net functional mortality in % at different times of follow-up
Type of net Baseline (n) GM 95% CI 6 Months (n) GM 95% CI 12 Months (n) GM 95% CI 18/20 Months (n) GM 95% CI 24/27 Months (n) GM 95% CI 36/39 Months (n) GM 95% CI
PermaNet 1st generation (10) 96.9
95.3 – 98.6
(40) 18.1
13.5 – 24.2
(40) 15.1
9.8 – 23.3
(40) 8.9
5.6 – 14.1
(40) 21.1
14.5 – 30.5
(38) 9.7
5.3 – 17.9
PermaNet 2nd generation (10) 99.8
99.3 – 100
(40) 99.5
99.2 – 99.9
(40) 95.2
89.2 – 100
(40) 96.0
93.5 – 98.6
(38) 73.9
61.7 – 88.6
(40) 88.5
83.7 – 93.7
Conventional net (10) 99.2
97.5 – 100
(40) 8.5
5.9 – 12.2
Not done Not done Not done Not done
Conventional net retreated (13) 99.4
98.7 – 100
(34) 40.8
27.6 -60.4
(11) 44.8
21.6 – 92.9
Not done Not done Not done
B Average net knockdown rate within 60 minutes in % at different times of follow-up
Type of net Baseline (n) GM 95% CI 6 Months (n) GM 95% CI 12 Months (n) GM 95% CI 18/20 Months (n) GM 95% CI 24/27 Months (n) GM 95% CI 36/39 Months (n) GM 95% CI
PermaNet 1st generation (10) 100
100 – 100
(40) 69.9
62.9 – 77.7
(40) 59.3
42.2 – 77.8
(40) 23.6
14.9 – 37.4
(40) 70.3
57.0 – 86.7
(38) 37.4
24.3 – 57.5
PermaNet 2nd generation (10) 100
100 – 100
(40) 99.8
99.5 – 100
(40) 99.0
97.9 – 100
(40) 97.6
96.0 – 99.3
(38) 92.4
85.8 – 99.5
(40) 97.8
96.6 – 99.0
Conventional net (10) 100
100 – 100
(40) 31.6
24.9 – 41.0
Not done Not done Not done Not done
Conventional net retreated (13) 99.8
99.4 – 100
(34) 76.9
62.8 -94.2
(11) 59.5
29.0 – 100
Not done Not done Not done