Table 1.
Baseline clinical characteristics of the whole cohort and the cohort with longitudinal data
| Clinical Characteristic | Whole Cohort | Cohort with Longitudinal Data |
|---|---|---|
| Patients (n) | 152 | 72 |
| Sex (women/men) | 69/83 | 35/37 |
| Age (yr) | 35.0 (26.0–44.0) | 35.0 (28.0–44.8) |
| Serum creatinine (mg/dl) | 0.9 (0.7–1.2) | 0.9 (0.7–1.1) |
| Serum uric acid (mg/dl) | 5.8 (4.7–6.9) | 5.6 (4.6–7.0) |
| Proteinuria (g/24 h) | 1.1 (0.5–1.8) | 1.0 (0.5–1.6) |
| Erythrocyturiaa | 95.4 | 94.4 |
| Systolic BP (mmHg) | 125 (117–138) | 126 (117–139) |
| Diastolic BP (mmHg) | 80 (74–90) | 80 (74–90) |
| Renin-angiotensin system blockade before renal biopsy | 6.6 | 5.6 |
Data are presented as the median (25th–75th percentiles) or as a percentage unless otherwise indicated.
a
To assess the presence of erythrocyturia, 10 ml of clean fresh urine from the middle piece was centrifuged for 5 minutes at 1500 rpm; 0.2 ml of sediment was taken and observed under microscopy. Erythrocyturia was defined as ≥3 red blood cells per high-power cortical field.