Table 4.
Mortality rate of Anopheles gambiae s.l. observed before and after IRS and LLITN interventions in districts of Adjohoun, Dangbo, Misserete and Seme
|
Districts |
Before intervention (May-July 2008) |
After intervention (May-July 2009) |
||||||
|---|---|---|---|---|---|---|---|---|
| |
Number of females caught |
Number of dead mosquitoes |
Mortality rate |
Number of females caught |
Number of dead mosquitoes |
Mortality rate |
||
| Mean | Confidence Interval | Mean | Confidence interval | |||||
|
IRS arm |
|
|
|
|
|
|
|
|
| Adjohoun |
84 |
2 |
2.3a |
[0.29-8.34] |
32 |
12 |
37.5b |
[21.10-56.31] |
| Dangbo |
84 |
1 |
1.04a |
[0.03-6.46] |
48 |
31 |
64.58b |
[49.45-77.84] |
| Misserete 1 |
84 |
1 |
1.11a |
[0.03-6.46] |
5 |
4 |
80b |
[28.36-99.50] |
| Misserete 2 |
288 |
0 |
0a |
[0.00-1.27] |
4 |
3 |
75b |
[19.41-99.37] |
| Seme |
388 |
0 |
0a |
[0.00-0.95] |
0 |
- |
- |
- |
| Akron Control |
88 |
1 |
0.83a |
[0.03-6.17] |
132 |
0 |
0a |
[0.00-2.76] |
|
LLITN arm |
|
|
|
|
|
|
|
|
| Adjohoun |
91 |
0 |
0a |
[0.00-3.98] |
72 |
6 |
9.72b |
[3.12-17.26] |
| Dangbo |
82 |
0 |
0a |
[0.00-4.40] |
100 |
23 |
25.69b |
[15.17-32.49] |
| Seme |
90 |
1 |
0.16a |
[0.03-6.04] |
216 |
30 |
14.13b |
[09.57-19.23] |
| Akron Control | 404 | 0 | 0a | [0.00-0.91] | 384 | 0 | 0a | [0.00-0.96] |
For the mean of each district, values of the same line which carry same letters in exposant were not significantly different (p > 0.05).