highly significantP < 0.001
The difference between two mean values was analyzed by Student’s t -test and was considered as statistically significant in case of P < 0.05 (*) and highly significant for P < 0.001 (**).
The difference between two mean values was analyzed by Student’s t -test and was considered as statistically significant in case of P < 0.05 (*) and highly significant for P < 0.001 (**).