Table 3: Association between serum 25-OH vitamin D and cardiovascular risk factors in patients with chronic kidney disease.
Cardiovascular risk factors | Serum 25-0H vitamin D | p-value | |
Normal (n = 28) | Insufficient/deficient (n = 109) | ||
Demographic | |||
Age | 59.1 ± 16.2 | 57.5 ± 15.3 | 0.633 |
Gender | |||
Male | 17 (60.7%) | 45 (41.3%) | 0.065 |
Female | 11 (39.3%) | 64 (58.7%) | |
Race | |||
Non-black | 22 (78.6%) | 89 (81.6%) | 0.711 |
Black | 6 (21.4%) | 20 (18.4%) | |
Cardiovascular risk factors | |||
BMIa | 25.5 ± 4.7 | 27.4 ± 5.5 | 0.092 |
Obesity | 2 (7.1%) | 27 (26.0%) | 0.033* |
Inactivity | 19 (70.4%) | 85 (80.2%) | 0.270 |
Hypertension | 25 (89.3%) | 97 (89.0%) | 0.964 |
DM | 6 (21.4%) | 42 (38.9%) | 0.085 |
CAD | 3 (11.1%) | 17 (15.6%) | 0.556 |
History of stroke | 7 (25.9%) | 14 (13.0%) | 0.096 |
Dyslipidemia | 15 (53.6%) | 70 (64.2%) | 0.300 |
Laboratory findings | |||
Hemoglobin a b | 12.77 ± 1.88 | 11.45 ± 1,68 | 0.004* |
Cholesterola c | 157 (125; 176) | 174 (151; 206) | 0.028* |
PTHa | 176 (107; 277) | 261 (160; 382) | 0.060 |
Calciuma | 9.43 ± 0.57 | 9.09 ± 0.65 | 0.015* |
Phosphorus | 3.79 ± 1.45 | 4.10 ± 1.20 | 0.324 |
Albuminc | 4.05 ± 0.46 | 3.93 ± 0.52 | 0.391 |
AP | 75 (55; 97) | 90 (69; 117) | 0.203 |
Creatinine | 2.21 (1.9; 3.1) | 2.50 (1.9; 3.8) | 0.434 |
GFR | 26,6 ± 8,9 | 25,0 ± 11,8 | 0,501 |
*Statistically significant association (p < 0.05); aStatistically significant difference between the normal and deficient groups (p < 0.05); bStatistically significant difference between the normal and insufficient groups (p < 0.05); cStatistically significant difference between the insufficient and deficient groups (p < 0.05).
Abbreviations: BMI: Body mass index; CAD: Coronary artery disease; ADPKD: Autosomal dominant polycystic kidney disease; CPN: Chronic pyelonephritis; Vit D: 25-OH vitamin D; PTH: Parathyroid hormone; AP: Alkaline phosphatase; GFR: glomerular filtration rate.