Table 6.
Fenitrothion median inhibitory concentration (IC50) and AChE inhibition resistance ratio (IR).
| Population | N | IC50 (µg/mL) | 95% Confidence Limits | Slope ± SE | χ2 | p | IR | |
|---|---|---|---|---|---|---|---|---|
| Lower | Upper | |||||||
| LAB | 90 | 0.99 a | 0.78 | 1.20 | 1.57 ± 0.20 | 2.01 | 0.57 | - |
| RAM | 90 | 71.66 b | 56.49 | 85.96 | 1.90 ± 0.22 | 3.60 | 0.31 | 72.38 |
| AZM | 90 | 79.04 b | 58.26 | 98.73 | 1.43 ± 0.20 | 0.59 | 0.90 | 79.83 |
| BAM | 90 | 84.53 b | 60.85 | 107.25 | 1.29 ± 0.20 | 1.81 | 0.62 | 85.38 |
| SAS | 90 | 100.49 b | 78.87 | 122.72 | 1.50 ± 0.20 | 4.11 | 0.25 | 101.50 |
| MOS | 90 | 104.97 bc | 57.58 | 156.29 | 0.72 ± 0.18 | 0.03 | 1.00 | 106.03 |
| NOS | 90 | 173.28 cd | 127.13 | 253.73 | 0.94 ± 0.19 | 0.89 | 0.83 | 175.03 |
| WES | 90 | 214.28 d | 172.88 | 281.99 | 1.40 ± 0.20 | 1.24 | 0.74 | 216.44 |
| MAS | 90 | 307.76 d | 246.25 | 422.88 | 1.58 ± 0.21 | 0.19 | 0.98 | 310.86 |
Values that do not share a letter are significantly different where their 95% confidence limits did not overlap.