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Table 2 Clinical characteristics of three subgroups according to different vitamin C levels in MHD and CAPD groups

From: Low levels of vitamin C in dialysis patients is associated with decreased prealbumin and increased C-reactive protein

  

MHD group

  

CAPD group

 
 

group A

group B

group C

group A

group B

group C

Parameters

< 2 ug/ml(n = 44)

2-4 ug/ml(n = 32)

> 4 ug/ml(n = 41)

< 2 ug/ml(n = 51)

2-4 ug/ml(n = 56)

> 4 ug/ml(n = 60)

Age(year)

66.4 ± 11.3

55.6 ± 12.8a

54.5 ± 14.5 a

64.9 ± 11.4

57.8 ± 13.7a

58.4 ± 14.6b

Gender(male/female)

20/24

13/19

12/29

26/25

23/33

22/38

BMI

22.6 ± 4.5

22.9 ± 4.4

22.5 ± 4.0

24.0 ± 3.3

23.0 ± 2.9

23.6 ± 3.3

KT/V

1.6 ± 0.3

1.6 ± 0.3

1.7 ± 0.2

1.8 ± 0.4

1.9 ± 0.3

1.9 ± 0.4

Diabetes

5/39

1/31

3/38

17/34

18/38

13/47

Vitamin C(ug/ml)

1.2 ± 0.5

2.9 ± 0.6 a

17.9 ± 20.4 ac

1.4 ± 0.4

3.0 ± 0.6 a

10.0 ± 10.6ac

Prealbumin(mg/l)

250.5 ± 77.2

305.0 ± 72.3 a

309.2 ± 68.0 a

337.7 ± 83.7

371.6 ± 85.7 b

400.2 ± 102.1a

hsCRP(mg/l)

3.7(1.5-11.6)

1.8(0.7-6.3) b

2.0(0.4-5.1) b

4.2(1.9-14.8)

2.1(0.9-6.3) b

2.1(0.9-5.2)b

Albumin(g/l)

37.4 ± 4.1

40.6 ± 3.8 a

39.3 ± 3.1 b

34.7 ± 4.6

36.8 ± 3.5a

36.3 ± 4.2b

Uric acid(umol/l)

380.3 ± 77.2

397.6 ± 87.4

368.9 ± 82.8

358.1 ± 86.3

380.8 ± 68.6

388.4 ± 82.2 b

Haemoglobin(g/l)

107.5 ± 18.7

117.5 ± 15.0 b

106.7 ± 15.7 c

109.4 ± 13.9

110.8 ± 11.8

108.4 ± 11.5

Ferritin(ng/ml)

412.7 ± 247.2

397.2 ± 209.4

524.5 ± 386.4

508.2 ± 330.7

372.0 ± 294.3 b

427.6 ± 309.3

Dialysis vintage(m)

64.0 ± 48. 2

55.3 ± 37.8

53.3 ± 46.0

27.4 ± 23.1

31.1 ± 26.3

32.6 ± 26.5

  1. aP < 0.01:compared with group A; bP < 0.05:compared with group A; cP < 0.01: compared with group B