Larval Indices of Vector Mosquitoes as Predictors of Dengue Epidemics: An Approach to Manage Dengue Outbreaks Based on Entomological Parameters in the Districts of Colombo and Kandy, Sri Lanka
Table 3
Recommended risk threshold values for BIagp and HI based on the Receiver Operating Characteristic curves (ROC).
District
MOH area
BIagp
HI
Low risk
Moderate risk
High risk
Low risk
Moderate risk
High risk
Colombo
Dehiwala
2.1
3.9
4.9
5.8
7.9
9.6
Kaduwela
2.4
3.7
5.3
5.6
9.2
11.2
Kolonnawa
2.0
3.5
4.4
5.9
8.3
12.2
Piliyandala
3.2
4.8
5.7
4.7
11.4
16.3
Moratuwa
2.1
3.3
4.8
5.5
7.8
10.2
Average
2.4
3.8
5.0
5.5
8.9
11.9
Kandy
KMC & GK
2.2
3.5
4.7
6.6
8.5
10.6
Akurana
2.1
3.9
4.8
6.2
7.7
9.9
Gampola
3.9
5.1
5.9
7.8
12.1
15.5
Kundasale
3.6
4.1
5.6
7.1
8.1
11.1
Average
2.9
4.2
5.3
6.9
9.1
11.8
Note: “” indicate instances, where area under curve >0.5.
