highly significantP < 0.01
The significance of the measured T -test value was considered as follows: not significant (NS) when P > 0.05, significant (S) when P ≤ 0.05 ( ∗ ), highly significant (HS) when P < 0.01( ∗∗ ), and very highly significant (V.H.S.) when P < 0.001( ∗∗∗ ), where P is the probability (reflect of null hypothesis). 2.3.2.