Table 1 Clinical characterics of the patients

Age (years)

66.0 (11.0)

Dialysis vintage (years)

7 (3, 12)

Comorbidities (%)

 Diabetes mellitus

31

 Cardiovascular diseases

20

Fatigue from before the dialysis (%)

43

Hemodialysis time (h)

4.0 (0.5)

Body mass index (kg/m²)

21.8 (3.2)

Intradialytic weight loss (% of body weight)

4.0 (1.4)

Ultrafiltration rate (mL/kg/h)

11.5 (3.7)

Cardio thoracic ratio (%)

49.8 (5.4)

Pre systolic blood pressure (mmHg)

148 (23)

Post systolic blood pressure (mmHg)

146 (23)

ΔSBP (mmHg)*

0.3 (− 10, 7.2)

Pre sodium (mEq/L)

139 (2.7)

Post sodium (mEq/L)

139 (1.7)

Blood urea nitrogen (mg/dL)

60.6 (14.2)

Serum creatinine (mg/dL)

10.7 (2.8)

Albumin (mg/dL)

3.6 (0.3)

C-reactive protein (mg/dL)

0.09 (0.05, 0.19)

Hemoglobin (g/dL)

10.9 (1.3)

Single-poor Kt/V

1.5 (0.3)

nPCR (g/kg/day)

0.86 (0.16)

GNRI

93.3 (6.0)

Physical functioning

68.0 (23.4)

Symptoms

81.2 (13.3)

Self-rated health (good, poor, %)

(81, 19)

Life satisfaction (good, poor, %)

(71, 29)

PDF scale

31.8 (11.0)

Recovery time (min)

120 (30, 330)

VAS (mm)

40.0 (25.4)

Fatigue scale

12.5 (3.5)