Table 4.
Median percentage mortality (and inter-quartile ranges (IQR)), and the sums of mosquitoes of different taxa killed per night in experimental huts fitted with different IRS and LLIN treatments during the first spray round (dry season tests)
| |
Mortality of Anopheles arabiensis |
Mortality of Culex species |
Mortality of Mansonia species |
|||
|---|---|---|---|---|---|---|
| IRS/LLIN combinations | Median (IQR) | Total dead (n)^ | Median (IQR) | Total dead$ | Median (IQR) | Total dead$ |
| Untreated nets only** |
7.1 (3.8 - 14.0) |
403 (60) |
1.0 (0.0 - 06.2) |
77 |
16.5 (5.5 - 36.9) |
170 |
| Olyset® only |
11.8 (7.1 - 17.2) |
709 (60) |
3.9 (0.0 - 08.8) |
121 |
33.3 (6.2 - 50.0) |
285 |
| PermaNet 2.0® only |
19.5 (13.6 - 26.5) |
844 (60) |
2.4 (0.0 - 09.0) |
87 |
50.0 (39.6 - 70.1) |
343 |
| Icon Life® only |
19.0 (12.4 - 27.5) |
1028 (60) |
2.7 (0.0 - 11.1) |
111 |
50.0 (29.6 - 62.8) |
444 |
| Pirimiphos methyl and untreated nets |
16.6 (12.1 - 28.7) |
836 (40) |
9.8 (2.6 - 20.4) |
136 |
42.9 (20.4 - 51.1) |
300 |
| Pirimiphos methyl and Olyset® |
16.4 (13.1 - 24.9) |
980 (40) |
7.4 (2.3 - 16.7) |
102 |
41.2 (22.2 - 68.0) |
255 |
| Pirimiphos methyl and PermaNet 2.0® |
29.0 (18.8 - 36.2) |
1196 (40) |
6.9 (2.3 - 15.3) |
98 |
71.8 (53.3 - 79.1) |
433 |
| Pirimiphos methyl and Icon Life® |
21.0 (13.3 - 32.2) |
1338 (40) |
3.3 (0.3 - 12.5) |
108 |
56.5 (36.6 - 70.3) |
433 |
| DDT and untreated nets |
14.0 (07.7 - 24.4) |
369 (40) |
1.4 (0.0 - 13.3) |
52 |
50.0 (18.8 - 66.7) |
192 |
| DDT and Olyset® |
13.2 (08.8 - 17.2) |
411 (40) |
3.0 (0.0 - 11.0) |
53 |
46.7 (21.1 - 62.4) |
162 |
| DDT and PermaNet 2.0® |
17.2 (12.0 - 25.7) |
431 (40) |
4.2 (0.0 - 12.9) |
94 |
53.8 (36.7 - 66.7) |
220 |
| DDT and Icon Life® |
12.3 (09.3 - 18.6) |
581 (40) |
1.8 (0.0 - 08.8) |
69 |
36.1 (20.2 - 50.0) |
165 |
| Lambda cyhalothrin and untreated nets |
14.8 (10.6 - 22.2) |
634 (40) |
6.3 (0.3 - 09.9) |
106 |
50.0 (25.0 - 66.9) |
304 |
| Lambda cyhalothrin and Olyset® |
14.9 (09.6 - 20.6) |
755 (40) |
6.8 (2.0 - 17.7) |
98 |
66.7 (42.9 - 91.6) |
232 |
| Lambda cyhalothrin and PermaNet 2.0® |
20.6 (15.3 - 26.5) |
802 (40) |
6.3 (0.3 - 13.6) |
110 |
64.3 (50.0 - 80.0) |
307 |
| Lambda cyhalothrin and Icon Life® | 21.6 (16.8 - 26.9) | 1055 (40) | 5.1 (1.4 - 18.9) | 114 | 62.7 (46.6 - 77.6) | 364 |
^ The term ‘n’ refers to total number of replicates.
$ The number of replicates (n) was the same as for Anopheles arabiensis.
**Controls refer to unsprayed huts in which volunteer used untreated nets.