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DDT resistance characteristics of Tunisian Culex pipiens pipiens
| Population | LC50 in µg/l (a) | Slope ± SE | RR50 (a) |
| Slab | 3,1 (2,7–3,4) | 3,26 ± 0,26 | - |
| 1-Sidi Hcine | 6.1 (4–9.3) | 1,78 ± 0,23 | 1,95 (1,40–2,73) |
| 2-El Fahs | 14 (5,1–39) | 1,29± 0,29 | 4,53 (2,83–7,26) |
| 3-Jebeniana | 6,7 (5–8,8) | 1,54 ± 0,17 | 2,13 (1,67–2,72) |
(a), 95% CI; RR50, resistance ratio at LC50 (RR50=LC50 of the population considered/LC50 of Slab).
