Table 3.
Median numbers (and inter-quartile ranges (IQR)), and the sum of mosquitoes of different taxa caught per night in experimental huts fitted with different IRS and LLIN treatments during the wet season tests
| |
Anopheles arabiensis |
Culex species |
Mansonia species |
|||
|---|---|---|---|---|---|---|
| IRS/LLIN combinations | Median (IQR) | Sum (n)^ | Median (IQR) | Sum$ | Median (IQR) | Sum$ |
| Untreated nets alone** |
64.0 (36.5 - 95.0) |
7181 (90) |
22.0 (11.0 - 39.5) |
2461 |
5.0 (3.0 - 8.0) |
537 |
| Olyset® alone |
84.0 (43.0 - 145.8) |
9789 (90) |
23.0 (10.0 - 39.3) |
2498 |
3.0 (1.0 - 5.3) |
380 |
| PermaNet 2.0® alone |
61.0 (41.5 - 118.3) |
8240 (90) |
23.0 (10.0 - 41.5) |
2544 |
3.5 (1.0 - 6.3) |
412 |
| Icon Life® alone |
105.0 (57.0 - 164.3) |
11279 (90) |
22.5 (13.8 - 43.3) |
2668 |
6.0 (3.0 - 11.0) |
703 |
| Pirimiphos methyl only |
85.0 (52.3 - 141.8) |
6751 (60) |
33.5 (14.5 - 65.8) |
3102 |
9.0 (3.3 - 13.0) |
652 |
| Pirimiphos methyl and Olyset® |
136.0 (74.8 - 208.3) |
9988 (60) |
33.5 (16.5 - 74.0) |
3384 |
6.0 (3.0 - 9.8) |
437 |
| Pirimiphos methyl and PermaNet 2.0® |
94.5 (59.0 - 191.3) |
7978 (60) |
30.0 (17.0 - 62.3) |
3032 |
7.0 (3.3 - 11.8) |
518 |
| Pirimiphos methyl and Icon Life® |
144.5 (72.5 - 197.5) |
9621 (60) |
37.5 (16.3 - 59.5) |
3023 |
9.0 (5.0 - 17.0) |
722 |
| DDT only |
67.0 (38.3 - 107.8) |
4983 (60) |
23.0 (12.3 - 46.3) |
1828 |
4.0 (2.0 - 8.0) |
365 |
| DDT and Olyset® |
76.0 (51.3 - 129.5) |
6053 (60) |
25.5 (10.3 - 40.8) |
1894 |
3.0 (1.0 - 5.8) |
256 |
| DDT and PermaNet 2.0® |
72.0 (41.3 - 135.0) |
5528 (60) |
27.0 (10.3 - 40.5) |
1909 |
4.0 (2.0 - 6.8) |
271 |
| DDT and Icon Life® |
82.0 (48.5 - 148.5) |
6176 (60) |
29.0 (15.0 - 43.8) |
1925 |
4.0 (2.3 - 9.0) |
438 |
| Lambda cyhalothrin alone |
100.5 (51.3 - 178.5) |
7535 (60) |
20.5 (10.3 - 38.0) |
1950 |
7.5 (4.0 - 13.0) |
620 |
| Lambda cyhalothrin and Olyset® |
115.5 (65.5 - 207.0) |
8947 (60) |
23.0 (9.8 - 34.0) |
1916 |
5.0 (2.0 - 9.8) |
438 |
| Lambda cyhalothrin and PermaNet 2.0® |
100.5 (58.3 - 173.8) |
7622 (60) |
22.0 (9.5 - 37.8) |
2018 |
6.0 (3.0 - 12.0) |
548 |
| Lambda cyhalothrin and Icon Life® | 120.0 (71.8 - 243.5) | 9784 (60) | 23.5 (9.0 - 34.8) | 1981 | 8.0 (5.0 - 15.0) | 706 |
^ 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 volunteers used untreated nets.