Table 1.
Baseline Characteristics
| Characteristic | Without SCT | With SCT | p-value |
|---|---|---|---|
| Demographics | |||
| N (% total sample) | 587 (90.0) | 65 (10.0) | |
| Age (mean, SD) | 54.2 (10.4) | 53.8 (11.2) | 0.820 |
| Women, N (%) | 233 (39.7) | 29 (44.6) | 0.442 |
| APOL1 renal-risk variant, N (%) | 130 (22.4) | 15 (23.1) | 0.187 |
| Serum Electrolytes (mEq/L or mg/dL) (mean, SD) | |||
| Sodium | 139.0 (2.5) | 139.0 (2.5) | 0.835 |
| Potassium | 4.2 (0.5) | 4.2 (0.5) | 0.602 |
| Urate | 8.2 (1.8) | 8.2 (2.0) | 0.823 |
| Phosphate | 3.5 (0.5) | 3.4 (0.5) | 0.443 |
| Magnesium | 2.1 (0.2) | 2.0 (0.2) | 0.876 |
| Calcium | 9.1 (0.4) | 9.1 (0.4) | 0.606 |
| Urine Electrolytes (mEq/L/24 hrs) (mean, SD) | |||
| Sodium | 3.7 (2.0) | 3.7 (2.0) | 0.988 |
| Potassium | 1.8 (0.9) | 1.9 (0.9) | 0.165 |
| GFR markers (ml/min/1.73m2) (mean, SD) | |||
| Measured GFR (125I-iothalamate) | 46.6 (13.0) | 45.4 (12.7) | 0.482 |
| eGFR by creatinine | 43.9 (14.1) | 44.4 (13.5) | 0.781 |
Note: All eGFR estimates were calculated using CKD-EPI
Abbreviations: GFR, glomerular filtration rate; eGFR, estimated glomerular filtration rate