highly significantP < 0.05
A P -value lower than 0.05 was considered statistically significant and a P -value lower than 0.01 was considered highly significant ( * P < 0.05, ** P < 0.01).
A P -value lower than 0.05 was considered statistically significant and a P -value lower than 0.01 was considered highly significant ( * P < 0.05, ** P < 0.01).