Effect of Dill (Anethum graveolens) Oil on Pruritus and Quality of Life of Hemodialysis Patients: A Randomized Double-Blind Three-Arm Controlled Trial

Table 6

Comparison of the sleep quality before and after the intervention in three groups.

Sleep quality/groups	Medication (mean ± SD)	Placebo (mean ± SD)	Control (mean ± SD)	value
Before the intervention	3.22 ± 6.14	5.62 ± 3.59	5.49 ± 3.34	0.687
After the intervention	3.24 ± 2.41	4.54 ± 3.11	5.05 ± 3.21	0.032