Table 4. Homogeneity Data of IRHD, CR-60

Source	SS	df	MS	F	P-value	F crit
Between Groups	1.497	4	0.37425	1.299855	0.324563	3.259167
Within Groups	2.1775	3	0.725833	2.520984	0.10726	3.490295
Error	3.455	12	0.287917
Total	7.1295	19

※ P-value is larger than the significance level of 0.05, it can be judged that each data is homogeneous.