Table 2 Comparison of Demographic, Clinical, Biochemical and Bioimpedance parameters in patients with oedema, raised JVP > 3 cm, and lung crepitations

Number

62

108

65

105

92

78

Age (years)

69 ± 12

64 ± 14

0.021

66 ± 12

67 ± 13

NS

66 ± 13

66 ± 13

NS

Gender (%male)

68

68

NS

74

64

NS

74

60

0.058

Ethnicity (%white)

89

82

NS

88

82

NS

87

80

NS

Pre-dialysis weight (kg)

77.9 ± 18.2

71.2 ± 13.1

0.020

75.3 ± 15.5

72.6 ± 15.4

NS

77.0 ± 16.5

69.8 ± 13.1

0.002

KRU (ml/min)

0.38 (1.33)

0.26 (1.64)

NS

0.01 (1.06)

0.35 (1.82)

0.07

0.10 (1.22)

0.30 (1.83)

NS

Cardiac History (%)

50

43

NS

46

45

NS

47

44

NS

Charlson Comorbidity Index

6.1 ± 1.8

5.5 ± 2.3

0.053

5.4 ± 2.0

5.9 ± 2.2

NS

5.7 ± 2.1

5.7 ± 2.1

NS

Kt/V

1.29 ± 0.18

1.29 ± 0.23

NS

1.27 ± 0.16

1.30 ± 0.24

NS

1.26 ± 0.17

1.32 ± 0.24

0.066

Serum sodium (mmole/l)

137.1 ± 3.4

136.5 ± 3.2

NS

137.2 ± 3.0

136.7 ± 3.3

NS

136.9 ± 3.0

136.9 ± 3.5

NS

Albumin (g/l)

34.6 ± 4.8

36.1 ± 4.4

0.043

35.7 ± 4.3

35.3 ± 4.7

NS

36.0 ± 3.9

35.0 ± 5.3

NS

High CRP(>5 mg/l)

55

44

NS

54

44

NS

52

45

NS

Ultrafiltration Volume (l)

1.84 ± 1.10

1.63 ± 1.03

NS

2.05 ± 1.12

1.50 ± 1.00

0.001

1.97 ± 1.03

1.40 ± 1.01

<0.001

Systolic-pre (mmHg)

157 ± 25

148 ± 25

0.018

161 ± 26

145 ± 22

<0.001

158 ± 25

144 ± 23

<0.001

Diastolic-pre (mmHg)

80 ± 15

79 ± 15

NS

84 ± 16

76 ± 13

0.001

82 ± 15

76 ± 14

0.008

Systolic-post (mmHg)

140 ± 26

135 ± 26

NS

140 ± 29

134 ± 23

NS

140 ± 27

133 ± 24

NS

Diastolic-post (mmHg)

73 ± 13

74 ± 13

NS

75 ± 13

72 ± 12

NS

75 ± 13

71 ± 12

NS

Antihypertensive drugs (%)

76

72

NS

80

70

NS

75

72

NS

ECFV (l)

19.0 ± 4.5

17.3 ± 3.5

0.014

19.1 ± 3.9

17.1 ± 3.8

0.001

19.1 ± 4.1

16.5 ± 3.3

<0.001

ECFV Excess (l)

0.87 ± 3.28

0.79 ± 1.84

NS

1.57 ± 2.42

0.36 ± 2.38

0.002

1.12 ± 2.38

0.47 ± 2.52

0.085

ECFV Excess (% Ideal ECFV)

6.68 ± 16.72

5.44 ± 11.69

NS

10.08 ± 13.49

3.29 ± 13.24

0.002

7.37 ± 13.3

4.14 ± 14.03

NS

Excess ECFV (>5 %)

57

49

NS

68

42

0.002

58

46

NS

ANP-pre (pmol/l)

185 (268)

160 (199)

NS

201 (276)

149 (192)

0.023

197 (246)

147 (200)

0.042

ANP-post (pmol/l)

86 (123)

73 (99)

NS

101 (177)

72 (83)

0.038

88 (109)

70 (88)

NS

BNP (pmol/l)

401 (1157)

286 (1245)

NS

592 (1553)

281 (677)

0.014

410 (1369)

286 (675)

NS