Table 2.
Baseline characteristics of study population by race.
| Parameters | All (n = 213) | Black (n = 120) | White (n = 93) | P value |
|---|---|---|---|---|
| Age (years) | 54.53 ± 15.62 | 51.0 ± 14.6 | 58.7 ± 15.9 | <0.001 |
| Haemoglobin (g/dL) | 10.3 ± 2.00 | 9.9 ± 1.98 | 10.7 ± 1.94 | 0.004 |
| Systolic Bp (mmHg) | 134 ± 21.8 | 130 ± 20.3 | 139 ± 22.8 | 0.98 |
| PTH (pg/mL) | 307 (148–656) | 327 (137–658) | 290 (149–618) | 0.97 |
| Calcium (mmol/L) | 2.28 ± 0.22 | 2.26 ± 0.22 | 2.30 ± 0.21 | 0.94 |
| Phosphate (mmol/L) | 1.59 ± 0.56 | 1.49 ± 0.57 | 1.71 ± 0.53 | 0.004 |
| Albumin (g/L) | 31.9 ± 6.0 | 30.8 ± 6.5 | 33.04 ± 5.5 | 0.03 |
| 25(OH) vitamin D (ng/mL) | 21.16 ± 10.71 | 20.57 ± 9.79 | 21.80 ± 11.67 | 0.77 |
| TAP (U/L) | 112 (74–163) | 110 (75–151) | 115 (71–164) | 0.33 |
| T. cholesterol (mmol/L) | 4.2 ± 0.8 | 4.0 ± 0.9 | 4.1 ± 0.9 | 0.05 |
| Diabetes, n (%) | 56 (26.3%) | 36 (30.0%) | 20 (21.5%) | 0.02 |
| Male, n (%) | 137 (64.3%) | 72 (60.0%) | 65 (69.9%) | 0.07 |
| Kt/V | 1.44 ± 0.3 | 1.41 ± 0.3 | 1.46 ± 0.30 | 0.40 |
Continuous variables are presented as means ± standard deviations or median (interquartile range) and categorical data as frequencies (percentages). BP = blood pressure, TAP = total alkaline phosphatase, and PTH = parathyroid hormone.