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Table 2 Mean serum 25(OH)D (nmol/L) according to stages of CKD

From: Association between serum 25-hydroxyvitamin D levels and carotid atherosclerosis in chronic kidney disease patients

Stages of CKD

n

Mean (SE)

Mean difference (SE)

P-value (t-test)

3A

29

42.69 (3.83)

Ref

Ref

3B

40

40.35 (3.86)

2.34 (5.49)

0.905

4

31

36.48 (3.88)

6.21 (5.82)

0.537

P-value for Wald F

  

0.558

 
  1. 25(OH)D 25-hydroxyvitamin D, CKD chronic kidney disease, SE standard error of mean, Ref reference group