Variables

Before TPE

After TPE

P

Number

Percentage

Number

Percentage

Practical ways to avoid exceeding the recommended salt dose

Adapted

6

18.8

22

68.8

0.001

Unsuitable

11

34.4

3

9.4

0.003

Indifferent

15

46.9

7

21.9

0.018

Type of patient’s salt diet

≤6 grams of salt/day

5

15.6

22

68.8

0.002

>6 grams of salt /day

27

84.4

10

31.3

0.002

Patients’ perception of the importance of a low-salt diet (≤6 grams salt/day)

Very important

8

25

20

62.5

0.002

Important

13

40.6

8

25

0.134

Not important

2

6.3

1

3.1

0.231

Don’t know

9

28.1

3

9.4

0.058