Table 2.
Sociodemographic, laboratory characteristics according to the levels of renal function
| Variables | Group 1 = 10 to < 30 mL/min, N = 54 |
Group 2 = 30-60 mL/min, N = 55 |
Group 3 = > 60 mL/min, N = 108 |
|---|---|---|---|
| Sociodemographic, mean ± SD or (%)a | |||
| Age in years | 42.4 ± 17.1 | 43.1 ± 16.2 | 36.0 ± 12.1 |
| Female | 64.8 | 65.4 | 70.4 |
| Race | |||
| Black | 35.2 | 45.4 | 38.9 |
| Mixed-Race | 48.1 | 43.6 | 54.6 |
| White | 16.7 | 10.9 | 6.5 |
| Laboratory tests, mean ± SDa | |||
| Hemoglobin, g/dL | 8.8 ± 2.4 | 11.4 ± 2.5 | 11.5 ± 2.5 |
| Albumin, g/dL | 3.1 ± 1.4 | 3.1 ± 0.8 | 3.1 ± 1.0 |
| Calcium, mg/dL | 8.5 ± 1.0 | 8.6 ± 0.8 | 8.6 ± 1.0 |
| Phosphorus, mg/dL | 4.5 ± 1.4 | 4.0 ± 0.8 | 3.7 ± 0.8 |
| Kidney function, median [IQR] | |||
| Creatinine, mg/dLa | 3.1 [2.1; 4.1] | 1.6 [1.1; 2.1] | 0.8 [0.7; 1.1] |
| BUN, mg/dLa | 44.8 [36.4; 66.3] | 30.8 [22.4; 45.7] | 16.3 [12.3; 24.0] |
| Urine Summary, median [IQR] | |||
| 24-h urine protein, g/daya | 2.1 [0.7; 4.0] | 1.9 [0.4; 4.0] | 1.9 [0.3; 3.9] |
| Protein/creatinine ratio, g/ga | 2.7 [1.2; 6.0] | 1.4 [0.3; 3.4] | 1.4 [0.3; 3.4] |
aThese variables correspond to results of the 152 patients
SD Standard Deviation, IQR Interquartile Range, BUN Blood Urea Nitrogen