extremely significantp < 0.001
highly significantp < 0.01
* indicates a significant difference ( p < 0.05), ** indicates a highly significant difference ( p < 0.01), and *** indicates an extremely significant difference ( p < 0.001).
* indicates a significant difference ( p < 0.05), ** indicates a highly significant difference ( p < 0.01), and *** indicates an extremely significant difference ( p < 0.001).