The Effect of Sumac Fruit on Serum Lipids and Body Mass Index in Hemodialysis Patients

Table 4

Comparison of changes in the mean and standard deviation of BMI in HD patients over time.

Group	Time			Time effect	Group effect	Group-time interaction
	Before intervention	Six weeks after the intervention	12 weeks after the intervention
	M ± SD BMI	M ± SD BMI	M ± SD BMI
2 g sumac	23.6 ± 4.4	23.3 ± 4.5	23.6 ± 4.2	F = 1.155	F = 0.333	F = 0.677
3 g sumac	24 ± 5.3	23.8 ± 5.4	23.9 ± 5.4
Placebo	23.1 ± 3.7	23.1 ± 3.8	23 ± 3.9

BMI: body mass index. for repeated measures analysis (ANOVA).