Table 2 . The Descriptive Statistics and the Results of Statistical Analysis for Comparison of Calcium Ion Quantity Among the Experimental Groups .

	Mean (Weight %)	SD	Pairwise Comparison*
Group 1	29.61	2.12	a
Group 2	30.53	1.36	a
Group 3	22.47	1.02	b
Group 4	22.63	2.15	b
Statistical analysis	P<0.001

*Tukey pairwise comparison test; Different letters indicate statistically significant differences at P<0.05.