Table 1.
Clinical findings at the time of diagnostic biopsy and associations with the outcome of death
| Baseline | All (N = 251) | Dead (n = 97) | Alive (n = 154) | P valuea |
|---|---|---|---|---|
| Age at diagnostic renal biopsy | 36.9 ± 11.1 | 41.1 ± 10.8 | 34.4 ± 10.6 | <0.001 |
| Male sex | 172 (68.5) | 68.0 (70.1) | 104 (67.5) | 0.669 |
| Race | ||||
| Caucasian | 239 | 93 (95.9) | 146 (94.8) | 0.928 |
| African American | 9 | 3 (3.1) | 6 (3.9) | |
| Asian | 3 | 1 (1.0) | 2 (1.3) | |
| Diabetes | 15 (6.0) | 9 (6.8) | 6 (3.9) | 0.080 |
| Hypertension | 130 (51.8) | 60 (61.9) | 70 (45.5) | 0.011 |
| Chronic kidney disease stage at diagnosis | ||||
| 1 (≥90 ml/min/1.73 m2) | 57 (22.7) | 9 (9.3) | 48 (31.4) | <0.001 |
| 2 (60 < 90 ml/min/1.73 m2) | 60 (23.9) | 16 (16.5) | 44 (28.8) | |
| 3 (30 < 60 ml/min/1.73 m2) | 61 (24.3) | 21 (21.7) | 40 (26.1) | |
| 4 (5 < 30 ml/min/1.73 m2) | 45 (17.9) | 30 (30.9) | 14 (9.2) | |
| 5 (<15 ml/min/1.73 m2) | 28 (11.2) | 21 (21.7) | 7 (4.6) | |
| Urine protein excretion (g/24 h) at diagnosis | ||||
| Mild < 1 | 57 ± 25.2 | 12 ± 14.6 | 45 ± 31.5 | <0.001 |
| Moderate ≥1 < 3 | 88 ± 38.9 | 26 ± 31.7 | 62 ± 43.4 | |
| Severe ≥3 | 81 ± 35.8 | 60 ± 51.3 | 36 ± 25.2 |
Values are presented as mean ± SD or number (%).
P values < 0.05 are considered to be significant.
a
Chi-square or exact chi-square test.