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Table 2 Cytokine and receptor levels in normal controls (NHS) and patients with systemic lupus (SLE) expressed as pg/ml of serum

From: IL-1 family cytokines and soluble receptors in systemic lupus erythematosus

Cytokine/receptor

NHS

SLE

p

Median (IQR)

Median (IQR)

IL-1α

0 (0–0)

0 (0–0)

0.656

IL-1β

0 (0–0)

0 (0–0)

0.951

IL-1Ra

178.2 (123.8–229.1)

219.8 (127.5–436.8)

0.0094

sIL-1R1

1143 (1014–1247)

1115 (949.5–1378)

0.629

sIL-1R2

4515 (3008–5727)

3841 (2093–5525)

0.251

sIL-1R3

18886 (16660–22581)

20384 (16971–23109)

0.260

sIL-1R4

9894 (6917–13515)

14782 (11325–26521)

< 0.0001

IL-33

1.7 (0–3.2)

0 (0–2.55)

< 0.002

IL-18

313.3 (261.9–359.3)

421.0 (299.7–592.1)

< 0.0001

IL-18BP

6302 (4808–8014)

10121 (6630–15033)

<0.0001

Free IL-18

168.8 (127.7–204.2)

167.2 (129.4–228.8)

0.526

  1. IL-1Ra IL-1 receptor antagonist, sILR1-–4 soluble IL receptor 1−4, IL-18BP IL-18 binding protein,