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Table 2 Median-lethal doses used. Median-lethal doses ng/mg (± 95% confidence intervals) for mosquito strains tested with different insecticides and their mixture.

From: Costs and benefits of multiple resistance to insecticides for Culex quinquefasciatus mosquitoes

Strain SLAB SR BC BCSR
insecticide         
Permethrin (P) 1.85 (1.75–1.95) 1.80 (1.71–1.89) 62.65 (59.38–66.10) 41.47 (39.56–43.47)
Carbosulfan (C) 0.59 (0.52–0.66) 1264.00 (1166–1370) 0.78 (0.68–0.90) 1446.00 (1330–1572)
Mix 0.99 (0.90–1.08) 982.00 (884–1084) 37.56 (34.97–40.39) 438.00 (386–492)
mix ratio P:C 3:1   1:750   85:1   1:35  
regression coefficienta ± (s.e.)         
Permethrin 3.76a (0.18) 3.48a (0.15) 4.04a (0.22) 3.05a (0.10)
Carbosulfan 3.01b (0.16) 2.17b (0.07) 3.73a (0.31) 1.89b (0.07)
Mix 2.95b (0.22) 2.69c (0.22) 3.53a (0.20) 2.15c (0.15)
  1. a estimates within a column that differ in super-script letter are significantly different (p < 0.05)