highly significantP < 0.001
Significance levels were established as follows: P < 0.05 (significant, marked * ), P < 0.01 (highly significant, marked ** ), and P < 0.001 (extremely significant, marked *** ).
Significance levels were established as follows: P < 0.05 (significant, marked * ), P < 0.01 (highly significant, marked ** ), and P < 0.001 (extremely significant, marked *** ).