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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

From: Comparative field evaluation of combinations of long-lasting insecticide treated nets and indoor residual spraying, relative to either method alone, for malaria prevention in an area where the main vector is Anopheles arabiensis

 

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

  1. ^ The term ‘n’ refers to total number of replicates.
  2. $ The number of replicates (n) was the same as for Anopheles arabiensis.
  3. **Controls refer to unsprayed huts in which volunteers used untreated nets.
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Parasites & Vectors

ISSN: 1756-3305

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