Table 3.
kdr mutant allele frequency at codon 1532 of Ae. albopictus and association with pyrethroid resistance in BS and YP populations from China
| Insecticide | Population | Phenotype | n | kdr allele | ||
|---|---|---|---|---|---|---|
| I1532T | I1532 | OR (95% CI) | ||||
| Deltamethrin | BS | R | 32 | 6(9.38) | 58(90.63) | 2.24 (0.54, 9.37) |
| S | 34 | 3(4.41) | 65(95.59) | |||
| YP | R | 28 | 6(10.71) | 50(89.29) | 0.39 (0.14, 1.05) | |
| S | 38 | 18(23.68) | 58(76.32) | |||
| Total | R | 161 | 12(3.73) | 310(96.27) | 0.49* (0.23, 1.00) | |
| S | 142 | 21(7.39) | 263(92.61) | |||
| Permethrin | BS | R | 25 | 4(8.00) | 46(92.00) | 0.80 (0.23, 2.75) |
| S | 46 | 9(9.78) | 83(90.22) | |||
| YP | R | 23 | 7(15.22) | 39(84.78) | 0.74 (0.28, 2.01) | |
| S | 36 | 14(19.44) | 58(80.56) | |||
| Total | R | 138 | 11(3.99) | 265(96.01) | 0.64 (0.31, 1.33) | |
| S | 188 | 23(6.12) | 353(93.88) | |||
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 (%).
*P < 0.05