Table 1.
Descriptive statistics of urinary IL-6 concentrations and SLE-specific and SLE-nonspecific symptoms (N=112 consecutive measurements).
| Parameter | Mean ± SD | Range |
|---|---|---|
| Urinary IL-6 (μg/mol creatinine) | 1.36 ± 1.04 | 0.00 – 6.06 |
| Urinary IL-6 (pg/ml) | 0.01 ± 0.007 | 0.00 – 0.04 |
| Urinary IL-6 (pg/h) | 0.79 ± 0.67 | 0.00 – 4.20 |
| 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 |
| Tiredness (%) | 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; IL-6, Interleukin-6.