extremely significantp < 0.01
Significance levels were indicated as follows: ns, not significant ( p ≥ 0.05); *, statistically significant difference ( p < 0.05); **, statistically extremely significant difference ( p < 0.01).
Significance levels were indicated as follows: ns, not significant ( p ≥ 0.05); *, statistically significant difference ( p < 0.05); **, statistically extremely significant difference ( p < 0.01).