Table 2 The correlation between clinical parameters and 25(OH)D level at the time of kidney biopsy
From: Vitamin D deficiency may predict a poorer outcome of IgA nephropathy
Variables | Serum 25-hydroxyvitamin (ng/mL) | P-value | |
|---|---|---|---|
|  | ≥15 ng/mL | <15 ng/mL |  |
Age (years) | 36.19 ± 10.86 | 32.87 ± 13.62 | 0.18 |
Body mass index (kg/m2) | 23.05 ± 2.86 | 23.39 ± 3.57 | 0.59 |
Systolic blood pressure (mmHg) | 123.95 ± 17.26 | 140.52 ± 26.96 | 0.001 |
Diastolic blood pressure (mmHg) | 76.66 ± 14.47 | 87.87 ± 17.70 | 0.001 |
Proteinuria(g/24 h) | 1.23 ± 1.27 | 3.07 ± 2.06 | <0.001 |
eGFR (mL/min/1.73 m2) | 83.42 ± 32.64 | 65.24 ± 44.56 | 0.023 |
 CKD stage 1(n/%) | 18 (45 %) | 22 (55 %) | 0.069 |
 CKD stage 2(n/%) | 16 (57.1 %) | 12 (42.9 %) |  |
 CKD stage 3(n/%) | 8 (38.1 %) | 13 (61.9 %) |  |
 CKD stage 4(n/%) | 1 (16.7 %) | 5 (83.3 %) |  |
 CKD stage 5(n/%) | 1 (10 %) | 9 (90 %) |  |
Serum albumin (mg/dL) | 38.08 ± 5.02 | 28.50 ± 7.72 | <0.001 |
Serum total cholesterol (mg/dL) | 5.14 ± 1.21 | 6.57 ± 2.64 | <0.001 |
Serum IgA (mg/dL) | 3.15 ± 2.24 | 2.73 ± 1.38 | 0.27 |
Uric acid (mg/dL) | 374.31 ± 112.68 | 443.93 ± 127.11 | 0.004 |