Presentation on diagnosis of HSP and long term renal impairment
| Children | Long term renal impairment | ||||
|---|---|---|---|---|---|
| No. | % | No. | % (95% CI) | Relative risk (95%) | |
| NA, not applicable; CI, confidence intervals. | |||||
| Total | 1133 | 21 | 1.8 (1.1 to 2.8) | NA | |
| With normal urine | 746 | 65.8 | 0 | 0 (0 to 0.5) | NA |
| With abnormal urinalysis | 387 | 34.2 | 21 | 5.4 (3.3 to 8.3) | NA |
| Isolated haematuria ± proteinuria | 305 | 78.8 | 5 | 1.6 (0.5 to 3.8) | (baseline) |
| Nephritic or nephrotic syndrome | 82 | 21.2 | 16 | 19.5 (11.1 to 31.7) | 11.9 (4.1–41.5) |