| Group A (n = 24) | Group B (n = 24) | P value |
---|---|---|---|
Dixon’s up-and-down method |  |  |  |
ED50 (95%CI), mg.kg− 1 | 2.67 (1.63–3.72) | 2.10 (1.36–2.84) | 0.04 |
Probit regression analysis | Â | Â | Â |
ED50 (95%CI), mg.kg− 1 | 2.44 (1.02–3.15) | 1.93 (1.39–2.32) | -- |
ED95 (95%CI), mg.kg− 1 | 3.72 (3.07–15.18) | 2.74 (2.34–5.54) | -- |