Table 3 Patients divided according to the change in extracellular water adjusted for height ratio (ΔaECW) from pre to post their mid-week dialysis session

Number

170

168

166

Male (%)

103 (32.8)

107 (34.1)

104 (33.1)

Age years

66.5 ± 14.6

73.3 ± 19.0

70.4 ± 16.3*

Diabetic (%)

79 (35.1)

70 (31.1)

76 (33.8)

Co-morbidity

2 (1–2)

1 (1–2)

1 (1–2)

Frailty

4 (1–5)

4 (0–5)

3 (0–5)**

Distress thermometer

4 (0–5)

3 (0–5)

4 (1–5)

Dialysis months

24.0 (4.9–63.5)

23.9 (10.8–60.0)

30.9 (10.1–61.1)

Weight kg

69.1 ± 17.7

71.8 ± 8.6

68.6 ± 15.7

% body fat

28.7(17.4–35.5)

30.8(20.6–37.8)

32.5(23.0–39.0)

FFMI kg/m²

17.4 ± 3.0

17.8 ± 2.7

17.0 ± 2.7

SBP pre mmHg

139.9 ± 23.5

144.4 ± 24.2

148.6 ± 25.5**

SBP post mmHg

135.4 ± 24.7

135.1 ± 25.7

133.8 ± 21.4

Fall in SBP mmHg

3 (− 7 to 15)

8 (− 5 to 26)

12 (− 5 to 34)***

Dialysate Na mmol/L

137.3 (136-138)

137 (136-138)

136 (136–138)

Na serum-dialysate

1 (− 1 to + 4)

2.5 (1 to + 5)**

3 (0 to + 4.5)*

Dial temperature °C

35.5 (35.0–35.5)

35.5 (35.0–36.0)

35.5 (35.0–35.5)

UFR mL/kg/h

4.4 (2.2–7.0)

5.8 (4.1−8.1)***

7.6 (5.5−9.8)***

% weight change

1.5 (0.7−2.3)

2.1 (1.6−2.9)***

2.7 (2.1−3.6)***

Haemoglobin g/L

106.8 ± 14.0

108.4 ± 14.5

110.5 ± 13.5*

Urea mmol/L

19.7 ± 6.1

19.7 ± 6.4

18.9 ± 7.0

Glucose mmol/L

6.1 (5.6−8.4)

6.1 (5.2−7.7)

6.8 (5.4−8.4)

Albumin g/L

37.9 ± 5.7

39.4 ± 4.3

40.3 ± 6.4**

CRP mg/L

6 (2−18)

6.5 (1−14)

5 (1−10)

NTproBNP ng/L

4820(1561−12842)

4993(1721−13542)

4053(1644−12373)

Serum β2M mg/L

26.3 (21.2−31.6)

23.3 (21.9−32.1)

28.2 (23.4−32.2)

% prescribed BP meds

61.2

61.3

63.3

1 BP med %

35.9

36.7

36.7

2 BP meds %

17.6

13.1

17.5

3 or more BP meds %

8.2

8.9

9.0

ACEI/ARB %

10/9.4

5.4/8.9

10.8/6.0

CCB %

22.4

20.2

24.7

Beta blocker %

41.8

42.3

46.4

Alpha blocker %

12.4

15.5

12.0