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Table 1 Baseline characteristics of the study population (n = 284)

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

Parameters

MHD patients (n = 117)

CAPD patients (n = 167)

P value

Age(year)

59.3 ± 13.9

60.2 ± 13.7

0.594

Gender

  

0.540

   Male

45(38.46%)

71(42.52%)

 

   Female

72(61.54%)

96(57.48%)

 

BMI

22.7 ± 4.3

23.5 ± 3.2

0.071

Diabetes

9/117(7.7%)

48/167(28.7%)

0.000

Prealbumin(mg/l)

285.8 ± 77.3

371.7 ± 94.3

0.000

Albumin(g/l)

38.9 ± 3.9

36.0 ± 4.2

0.000

Uric acid(umol/l)

381.2 ± 82.9

376. 6 ± 79.8

0.642

Haemoglobin(g/l)

110.0 ± 17.2

109.5 ± 12.3

0.806

bicarbonate (mmol/l)

22.0 ± 3.6

25.7 ± 3.2

0.000

SBP(mmHg)

145.1 ± 19.8

128.9 ± 17.7

0.000

 

Median(IQR)

Median(IQR)

 

Vitamin C(ug/ml)

2.9(1.6-5.5)

3.0(1.8-5.0)

0.549

hsCRP(mg/l)

2.6 (1.0-6.5)

2.8(1.0-8.2)

0.756

Ferritin(ng/ml)

377(246.9-634.1)

374(215-585)

0.530

Dialysis vintage(m)

49(20-88)

24(9-49)

0.000

  1. Abbreviation: BMI: body mass index; SBP: systolic blood pressure; IQR: inter quartile range; hsCRP: high-sensitivity C-reactive protein