Table 1. Demographic, clinical and biochemical features of all the patients.
| Baseline characteristics (n = 79) | Value |
| Mean age (years) | 33.9±13.6 |
| Gender (Male) (%) | 74.7 |
| Ethnicity (%): | |
| - Blacks | 41.8 |
| - Mixed ancestry | 54.4 |
| - Whites | 3.8 |
| Mean duration of follow-up (months) | 13.5±18.8 |
| Hypertension at biopsy (%) | 65.8 |
| Oedema present at biopsy (%) | 84.8 |
| History of substance abuse or incarceration (%) | 20.3 |
| History of schizophrenia (%) | 5.1 |
| SBP at biopsy (mmHg) | 159.9±30.1 |
| DBP at biopsy (mmHg) | 95.8±17.8 |
| Indication for renal biopsy (%): | |
| - Nephrotic syndrome | 77.9 |
| - Nephrotic-nephritic syndrome | 10.3 |
| - AKI | 5.9 |
| Serum albumin at biopsy (g/L) | 25.9±7.3 |
| Serum cholesterol at biopsy (mmol/L) | 6.7±2.3 |
| Serum creatinine at biopsy (µmol/L) | 180.6±166.8 |
| Estimated MDRD GFR at biopsy (ml/min/1.73 m2) | 65.1±35.2 |
| Proteinuria at biopsy (g/24 hrs) | 8.2±6.4 |
| Low complement C3 at biopsy (%) | 15.2 |
| Low complement C4 at biopsy (%) | - |
SBP – Systolic blood pressure, DBP – Diastolic blood pressure, AKI – Acute kidney injury, MDRD – Modification of diet in renal failure, GFR – Glomerular filtration rate.