Table 3.

Comparison between and within groups using ANOVA test.

ANOVA
	Sum of Squares	df	Mean square	F	Sig.
Age HD
Between groups	3360.234	7	480.033	97.493	0.000
Within groups	167.409	35	4.924
Total	3527.643	42
BMI HD
Between groups	33.987	7	4.855	1.267	0.0255
Within groups	130.246	35	3.831
Total	164.233	42
Age HP
Between groups	257.529	7	36.790	0.255	0.007
Within groups	4899.256	35	144.096
Total	5156.786	42
BMI HP
Between groups	59.718	7	8.531	2.171	0.032
Within groups	133.584	35	3.929
Total	193.302	42
Gender HD
Between groups	1.462	7	0.209	0.788	0.012
Within groups	9.014	35	0.265
Total	10.476	42
Sex HP
Between groups	2.383	7	0.340	1.496	0.002
Within groups	7.736	35	0.228
Total	10.119	42

HD, hemodialysis group; HP, hemodialysis-hemoperfusion group; Sig., significance.