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Table 4 kdr mutant allele frequency at codon 1534 of Ae.albopictus populations and association with pyrethroid resistance in China

From: Correlation between adult pyrethroid resistance and knockdown resistance (kdr) mutations in Aedes albopictus (Diptera: Culicidae) field populations in China

Insecticide Population Phenotype n kdr allele OR (95% CI)
F1534S F1534 L F1534C F1534 F1534S F1534 L F1534C
Deltamethrin JN R 26 1 (1.92) 6 (11.54) 0 (0.00) 45 (86.54) 2.35 (0.21, 26.73) 1.01 (0.32, 3.22)
S 30 0 (0.00) 7 (11.67) 0 (0.00) 53 (88.33)
HZ R 25 43 (86.00) 0 (0.00) 0 (0.00) 7 (14.00) 0.28 (0.06, 1.42)
S 23 44 (95.65) 0 (0.00) 0 (0.00) 2 (4.35)
BS R 32 18 (28.13) 0 (0.00) 0 (0.00) 46 (71.88) 2.94* (1.17, 7.34)
S 34 8 (11.76) 0 (0.00) 0 (0.00) 60 (88.24)
YP R 28 30 (53.57) 0 (0.00) 0 (0.00) 26 (46.43) 2.35* (1.16, 4.79)
S 38 25 (32.89) 0 (0.00) 0 (0.00) 51 (67.11)
HK R 50 77 (77.00) 0 (0.00) 6 (6.00) 17 (17.00) 7.55* (3.11, 18.34) 3.53 (0.63, 19.83)
S 17 12 (35.29) 0 (0.00) 2 (5.88) 20 (58.82)
Total R 161 169 (52.48) 6 (1.86) 6 (1.86) 141 (43.79) 2.50* (1.79, 3.51) 1.13 (0.37, 3.44) 3.96 (0.79, 19.90)
S 142 89 (31.34) 7 (2.46) 2 (0.70) 186 (65.49)
Permethrin JN R 20 2 (5.00) 4 (10.00) 0 (0.00) 34 (85.00) 5.06 (0.51, 50.52) 1.14 (0.30, 4.32)
S 32 0 (0.00) 6 (9.38) 0 (0.00) 58 (90.63)
HZ R 34 60 (88.24) 0 (0.00) 0 (0.00) 8 (11.76) 0.53 (0.16, 1.70)
S 38 71 (93.42) 0 (0.00) 0 (0.00) 5 (6.580
BS R 25 12 (24.00) 0 (0.00) 0 (0.00) 38 (76.00) 0.90 (0.40, 1.99)
S 46 24 (26.09) 0 (0.00) 0 (0.00) 68 (73.91)
YP R 23 20 (43.48) 0 (0.00) 0 (0.00) 26 (56.52) 2.31* (1.05, 5.09)
S 36 18 (25.00) 0 (0.00) 0 (0.00) 54 (75.00)
HK R 36 60 (83.33) 0 (0.00) 0 (0.00) 12 (16.67) 6.13* (2.81, 13.38) 0.43 (0.05, 3.82)
S 36 31 (43.06) 0 (0.00) 3 (4.17) 38 (52.78)
Total R 138 154 (55.80) 4 (1.45) 0 (0.00) 118 (42.75) 2.02* (1.47, 2.78) 1.26 (0.35, 4.55) 0.47 (0.05, 4.26)
S 188 144 (38.30) 6 (1.60) 3 (0.80) 223 (59.31)
  1. Note: n indicates the sample number. S was the susceptible phenotype; R indicates the resistant phenotype. Data outside brackets indicate the number of individuals; data inside brackets indicate frequency (%)
  2. *P < 0.05, −, no data