Effect of Dill (Anethum graveolens) Oil on Pruritus and Quality of Life of Hemodialysis Patients: A Randomized Double-Blind Three-Arm Controlled Trial
Table 1
Characteristics related to demographics and clinical information of the participants.
Variable
Medication (N = 37)
Placebo (N = 37)
Control (N = 37)
value
Age (years) (mean ± SD)
62.86 ± 11.31
54.14 ± 13.651
58.08 ± 11.987
0.11
Gender (N, %)
Female
20 (54.1)
22 (59.5)
24 (64.9)
0.641
Male
17 (45.9)
15 (40.5)
13(35.1)
Marital status (N, %)
Single
0 (0)
2 (5.4)
1 (2.7)
0.361
Married
37 (100)
35 (94.6)
36 (97.3)
Education level (N, %)
Illiterate
17 (45.9)
17 (45.9)
18 (48.6)
0.467
Literacy for reading and writing
4 (10.8)
0 (0)
4 (10.8)
Under high school diploma
11 (29.7)
16 (43.2)
8 (21.6)
High school diploma and higher
5 (13.5)
4 (10.8)
7 (18.9)
Body mass index (BMI) (kg/m2)(mean ± SD)
26.35 ± 4.103
27.42 ± 5.375
26.38 ± 3.500
0.494
History of smoking (N, %)
Yes
2 (5.4)
4 (10.8)
0 (0)
0.123
No
35 (94.6)
33 (89.2)
37 (100)
Cause of kidney failure (N, %)
Diabetes
12 (32.4)
7 (18.9)
9 (24.3)
0.087
Hypertension
6 (16.2)
16 (43.2)
8 (21.6)
Diabetes and hypertension
9 (24.3)
10(27.0)
14 (37.8)
10 (27.0)
4 (10.8)
6 (16.2)
5 (13.5)
4 (10.8)
7 (18.9)
History of hemodialysis (month) (mean ± SD)
46.14 ± 32.628
43.86 ± 31.855
44.41 ± 39.030
0.780
Adequacy of dialysis (Kt/) (mean ± SD)
1.32 ± 0.245
1.25 ± 0.183
1.28 ± 0.199
0.355
Duration of pruritus (week) (mean ± SD)
58.03 ± 69.191
66.24 ± 59.124
54.84 ± 51.006
0.395
Polycystic kidney disease, hydronephrosis, glomerulonephritis, or unknown. Kt/ (“K” is dialyzer urea clearance, “t” is total dialysis session time, and “” is volume of distribution of urea).