highly significantp < 0.01
* Indicates a statistically significant difference ( p < 0.05); ** indicates a highly significant difference ( p < 0.01); and *** indicates a highly significant difference ( p < 0.001).
* Indicates a statistically significant difference ( p < 0.05); ** indicates a highly significant difference ( p < 0.01); and *** indicates a highly significant difference ( p < 0.001).