|
Diagnostic insecticide dose on impregnated papers#
|
Mosquitoes exposed (n)
|
Dead mosquitoes after 24 h of exposure (n)
|
Mortality after 24 h of exposure (%)
|
Corrected mortality (%)§
|
KDT50 (CL)
|
KDT95 (CL)
|
|---|
| |
Expt
|
Cont
|
Expt
|
Cont
|
Expt (95% CI)
|
Cont (95% CI)
| | | |
|---|
|
DDT 4%
|
60
|
60
|
59
|
7
|
98.3 (92.99-103.65)
|
11.65 (6.33-16.89)
|
98.1 (92.95-103.19)
|
19.24 (18.87-21.48)
|
55.67 (47.78-68.50)
|
|
Malathion 5%
|
106
|
106
|
65
|
15
|
45.36 (13.98-76.74)
|
14.06 (10.93-17.19)
|
54.9 (46.74-72.42)
|
765.82‡
|
34147.10‡
|
|
Deltamethrin 0.05%
|
72
|
72
|
63
|
7
|
86.62 (69.78-103.46)
|
9.62 (6.24-3.00)
|
86.1 (76.38-103.93)
|
37.33 (35.02-39.88)
|
72.73 (64.96-85.11)
|
|
Cyfluthrin 0.15%
|
77
|
57
|
74
|
8
|
95.57 (78.5-109.64)
|
13.93 (9.35-18.51)
|
95.5 (79.00-110.94)
|
31.74 (29.50-33.96
|
69.74 (62.03-81.56)
|
|
Alpha-cypermethrin 10%
|
68
|
50
|
62
|
3
|
91.2 (86.27-96.13)
|
6.03 (4.52-7.54)
|
90.6 (85.34-95.90)
|
30.33 (27.69-33.12)
|
83.26 (70.79-104.26)
|
|
Lambda-cyhalothrin 0.05%
|
80
|
60
|
79
|
5
|
98.75 (94.78-102.72)
|
8.33 (1.17-15.49)
|
98.6 (94.10-103.05)
|
19.20 (17.34-20.97)
|
50.42 (44.99-58.17)
|
|
Permethrin 0.75%
|
77
|
57
|
77
|
3
|
100.0 (100.0-100.0)
|
5.3 (4.04-6.59)
|
100.0 (100.0-100.0)
|
16.83 (14.87-18.67)
|
47.93 (41.35-58.52)
|
- * Mortality recorded < 80% considered resistant, 80-98% tolerant (evaluation required), while > 98% as sensitive.
- #Supplied by WHO.
- §Corrected mortality was calculated following Abott's formula (1925).
- ‡Confidence limit could not be calculated due to large g values.
- Exp: Experimental; Cont: Control; CI: Confidence interval; CL: Confidence limit
