Table 1 Susceptibility status (mortality rates) of Anopheles gambiae s.l exposed to the WHO-discriminating concentrations of deltamethrin, permethrin and DDT
Site | Permethrin | Deltamethrin | DDT | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
N | Mortality (%) | SE | KDT50 (95% CI) | N | Mortality (%) | SE | KDT50 (95% CI) | N | Mortality (%) | SE | KDT50 (95% CI) | |
Arumeru | 100 | 57 | 4 | 52.3 (45.0–66.0) | 100 | 63 | 2.1 | 41.9 (37.1–48.8) | 100 | 99 | 0.1 | 37.4 (35.4–39.6) |
Babati | 99 | 65 | 2.8 | 67.0 (57.2–85.3) | 100 | 84 | 2.2 | 35.6 (32.2–39.7) | 100 | 100 | 0 | 28.2 (21.0–35.8) |
Bagamoyo | 80 | 95 | 1.5 | 11.9 (11.1–12.7) | 80 | 78 | 1 | 14.4 (12.7–15.9) | 80 | 59 | 1.8 | 11.6 (10.6–13.4) |
Geita | 80 | 98 | 1 | 19.6 (18.1–21.2) | 60 | 98.8 | 1.2 | 17.2 (15.7–18.7) | 80 | 80 | 2.4 | 30.0 (28.5–31.4) |
Iringa | 100 | 97 | 0.3 | 34.1 (32.3–36.1) | 100 | 98 | 0.5 | 32.0 (30.3–33.7) | 100 | 100 | 0 | 23.0 (22.1–24.0) |
Kahama | 60 | 96.7 | 1.4 | 21.7 (18.5–25.1) | 60 | 85 | 1.9 | 18.5 (13.9–22.7) | 80 | 100 | 0 | 33.9 (30.5–37.2) |
Kilombero | 100 | 58 | 3.2 | 44.2 (42.4–46.2) | 100 | 66 | 2.5 | 40.4 (38.3–42.8) | 100 | 93 | 1.1 | 38.1 (36.5–39.7) |
Kilosa | 80 | 100 | 0 | 28.8 (27.2–30.4) | 60 | 100 | 0 | 32.7 (30.6–34.9) | 80 | 71 | 2.1 | 50.7 (45.0–60.4) |
Kinondoni | 100 | 100 | 0 | 54.3 (44.3–75.2) | 100 | 100 | 0 | 39.6 (36.5–43.4) | 100 | 91 | 0.2 | 69.5 (55.6–99.8) |
Kondoa | 80 | 38.8 | 2.6 | 50.0 (46.2–55.5) | 80 | 56.8 | 1.4 | 36.5 (34.4–38.6) | 80 | 100 | 0 | 68.9 (62.3–84.3) |
Magu | 60 | 93.3 | 1.8 | 28.5 (25.7–31.3) | 60 | 81.7 | 1 | 35.8 (32.7–39.5) | 60 | 100 | 0 | 41.6 (38.7–44.7) |
Manyoni | 80 | 100 | 0 | 21.2 (19.6–23.0) | 60 | 93.3 | 0 | 22.9 (19.6–26.2) | 80 | 100 | 0 | 38.3 (36.0–40.8) |
Mbozi | 80 | 100 | 0 | 11.6 (10.6–12.4) | 80 | 100 | 0 | 13.4 (12.7–14.1) | 60 | 100 | 0 | 27.8 (19.2–36.1) |
Moshi | 100 | 19 | 1.9 | 46.8 (44.5–49.5) | 96 | 33.3 | 1.3 | 32.7 (29.7–36.0) | 93 | 100 | 0 | 34.2 (32.9–35.6) |
Mtwara | 80 | 100 | 0 | 11.9 (10.9–12.7) | 80 | 100 | 0 | 17.3 (16.5–18.0) | 80 | 100 | 0 | 28.9 (27.4–30.7) |
Muleba | 80 | 70 | 1.3 | 44.7 (42.6–47.1) | 80 | 61.3 | 1.9 | 36.9 (34.7–39.0) | 80 | 87.5 | 2.8 | 35.2 (35.2–36.9) |
Musoma–rural | 80 | 60 | 4.6 | 51.2 (39.9–90.7) | 80 | 81.3 | 2.9 | 38.9 (37.0–40.8) | 80 | 100 | 0 | 30.3 (28.8–31.9) |
Ngara | 60 | 100 | 0 | 16.4 (15.8–16.9) | 60 | 100 | 0 | 17.3 (16.0–18.7) | 60 | 100 | 0 | 15.8 (15.1–16.5) |
Ruangwa | 80 | 100 | 0 | 24.6 (22.7–26.5) | 80 | 100 | 0 | 20.4 (19.1–21.8) | 80 | 100 | 0 | 32.0 (29.2–35.0) |
Songea | 60 | 100 | 0 | 12.4 (11.2–13.5) | 60 | 100 | 0 | 10.2 (9.0–11.2) | 80 | 100 | 0 | 26.7 (25.4–28.1) |