highly significantP < 0.01
A statistically significant difference was considered at P < 0.05, a highly significant difference at P < 0.01, and an extremely significant difference at P < 0.001.
A statistically significant difference was considered at P < 0.05, a highly significant difference at P < 0.01, and an extremely significant difference at P < 0.001.
1 c); however, this change did not reach statistical significance ( P > 0.05).