Table 1.
Descriptive statistics of urinary sTNF-R55 concentrations and SLE-specific and SLE-unspecific symptoms (N = 112 consecutive measurements)
| Parameter | Mean ± SD | Range |
|---|---|---|
| Urinary sTNF-R55 (ng/μmol creatinine) | 29.2 ± 20.1 | 1.94–117 |
| Urinary sTNF-R55 (pg/ml) | 277 ± 183 | 52.0–861 |
| Urinary sTNF-R55 (ng/h) | 16.7 ± 11.5 | 0.94–81.1 |
| Urinary protein (mg/μmol creatinine) | 3.20 ± 2.25 | 0.08–14.5 |
| Urinary protein (mg/dl) | 3.48 ± 2.58 | 0.10–10.0 |
| Urinary protein (mg/h) | 1.76 ± 1.09 | 0.07–6.38 |
| Oral ulceration (%) | 0.59 ± 2.79 | 0.00–19.9 |
| Facial rash (%) | 2.67 ± 5.60 | 0.00–22.0 |
| Body temperature (°C) | 36.7 ± 0.25 | 36.1–37.4 |
| Weakness (%) | 7.77 ± 5.86 | 0.00–38.0 |
| Fatigue (%) | 35.2 ± 17.2 | 6.00–77.0 |
| Joint pain (%) | 20.2 ± 11.5 | 5.00–54.0 |
SD standard deviation, sTNF-R55 soluble tumor necrosis factor 55 kD receptor