highly significantp < 0.01
The level of significance was set as <0.05, and the data were indicated with the symbol * if significant ( p < 0.05) and with the symbol ** if highly significant ( p < 0.01).
The level of significance was set as <0.05, and the data were indicated with the symbol * if significant ( p < 0.05) and with the symbol ** if highly significant ( p < 0.01).