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Table 1 Baseline characteristics of patients at study initiation

From: Effect of bioelectrical impedance analysis-guided dry weight adjustment, in comparison to standard clinical-guided, on the sleep quality of chronic haemodialysis patients (BEDTIME study): a randomised controlled trial

 

Total (n = 19)

BIA group

(n = 10)

Clinical group

(n = 9)

P-value

Male sex, n (%)

8 (42.11)

5 (50)

3 (33.33)

0.65

Age, yrs

63.53 (11.12)

63.4 (11.69)

63.66 (11.16)

0.90

Comorbidity, n (%)

   

0.63

 -DM

11 (57.89)

6 (60)

5 (55.56)

 

 -HT

17 (89.47)

9 (90)

8 (88.89)

 

 -CVD

6 (31.58)

4 (40)

2 (22.22)

 

Cause of ESRD, n (%)

   

0.59

 -DN/DKD

9 (47.37)

6 (60)

3 (33.33)

 

 -HT

5 (26.32)

2 (20)

3 (33.33)

 

 -Others

5 (26.32)

2 (20)

3 (33.33)

 

Benzodiazepines, n (%)

2 (10.53)

0 (0)

2 (22.22)

0.21

Dialysis vintage, yrs

4 (2, 8.5)

3.5 (2, 8)

8 [2, 9]

0.12

RRF, ml

0 (0, 150)

100 (0, 200)

0 (0, 10)

0.52

HD mode, n (%)

16 (84.21)

9 (90)

7 (77.78)

0.58

HD shift, n (%)

   

0.43

 -Morning

6 (31.58)

3 (30)

3 (33.33)

 

 -Noon

8 (42.11)

3 (30)

5 (55.56)

 

 -Evening

5 (26.32)

4 (40)

1 (11.11)

 

BMI, kg/m2

23.45 (5.81)

25.63 (7.00)

21.03 (2.89)

0.08

Pre-PR, bpm

71.21 (8.73)

69.7 (10.64)

72.89 (6.17)

0.44

Pre-SBP, mmHg

145.89 (24.15)

146.8 (24.93)

144.89 (24.72)

0.87

Pre-DBP, mmHg

75.37 (14.33)

72.5 (11.42)

78.56 (17.14)

0.37

eKt/V

2.03 (0.43)

1.90 (0.49)

2.18 (0.31)

0.15

Hb, g/L

108.4 (12.5)

108.5 (13.6)

108.2 (12.0)

0.90

Ferritin, pmol/L

665.11 (355.03, 1467.63)

1142.71 (315.48, 1591.33)

610.96 (357.50, 665.11)

0.09

TSAT, %

0.25 (0.08)

0.27 (0.10)

0.23 (0.05)

0.24

Calcium, mmol/L

2.22 (0.21)

2.23 (0.23)

2.22 (0.20)

0.90

Phosphorus, mmol/L

1.67 (0.48)

1.69 (0.51)

1.66 (0.46)

0.89

Intact PTH, pmol/L

46.65 (24.35, 62.92)

34.73 (17.55, 58.61)

61.04 (39.01, 74.16)

0.37

Albumin, g/L

33.10 (3.0)

32.6 (2.8)

33.7 (3.3)

0.47

B2M, nmol/L

1849.02 (1620.02, 2158.61)

1836.30 (1628.50, 2205.26)

1849.02 (1611.54, 1976.25)

0.87

PSQI

8.53 (3.15)

7.9 (2.42)

9.22 (3.83)

0.38

ESS

7.32 (5.71)

8.4 (5.87)

6.11 (5.42)

0.40

Sleep efficiency, %

71.96 (15.36)

72.52 (13.45)

71.35 (18.08)

0.87

Sleep duration, min

310.61 (84.29)

305.92 (84.31)

315.83 (89.06)

0.81

WASO, min

55.9 (23.27)

57.15 (27.82)

54.51 (18.52)

0.81

Excess fluid assessed by BIA (L)

0.5 (0.11, 1.6)

0.97 (0.35, 1.8)

0.11 (0.09, 1.22)

0.06

ECW/TBW

0.406 (0.005)

0.408 (0.006)

0.404 (0.003)

0.06

  1. Values expressed as the mean (SD) or median (25th, 75th percentiles)
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