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Table 2 Mean serum protein concentrations averaged over the 3 patient visits:

From: Multi analyte profiling and variability of inflammatory markers in blood and induced sputum in patients with stable COPD

Serum Protein

COPD non-smokers

(N = 13)

COPD smokers

(N = 8)

Control non-smokers

(N = 12)

Control smokers

(N = 9)

P value

COPD vs controls

Eotaxin2 (pg/ml) #

554.2 (352.5)

465.6 (327.4)

364.3 (158.3)

475.5 (766.1)

0.025

IP-10 (pg/ml) #

170.2 (95.2)

164.8 (126.4)

125.8 (26.4)

100.7 (44.3)

0.22

TNF-R1 (pg/ml) #

1489.4 (303.0)

1312.1 (257.3)

1430.9 (268.9)

1442.7 (268.0)

0.67

TNF-RII (pg/ml) #

194.0 (118.8)

268.4 (143.8)

241.9 (116.2)

235.9 (33.9)

0.10

TIMP-2 (pg/ml) #

25028.7 (5273.1)

27639.6 (4570.7)

30286.8 (4946.8)

26514.6 (6425.1)

0.046

HGF (pg/ml) #

21112.5 (12544.1)

19937.9 (10785.1)

24076.2 (14625.4)

25125.4 (9975.2)

0.56

KGF (pg/ml) #

82.1 (34.5)

56.9 (26.0)

65.3 (20.8)

66.1 (15.7)

0.94

MMP-13 (pg/ml) #

1768.8 (2561.6)

718.9 (450.6)

774.5 (421.6)

733.6 (328.7)

0.58

GROα (pg/ml) #

123.3 (61.4)

93.4 (33.6)

114.8 (53.0)

113.6 (65.9)

0.21

CRP (ug/ml)*

13.6 (11.4)

7.8 (9.1)

4.1 (3.2)

4.4 (4.0)

0.042

ENA-78 (ng/ml)*

2.3 (2.69)

1.8 (0.6)

2.5 (1.7)

2.9 (1.9)

0.13

IL-13(pg/ml)*

37.5 (7.0)

46.8 (13.4)

40.4 (10.3)

37.9 (7.9)

0.17

IL-18 (pg/ml)*

302.1 (165.4)

329.0 (106.7)

281.9 (170.9)

256.3 (109.1)

0.17

IL-6 (pg/ml)*

8.0 (7.1)

6.4 (5.1)

2.3 (0.7)

Below detection limits

0.20

IL-8 (pg/ml)*

15.1 (12.1)

11.4 (3.7)

11.1 (3.4)

11.5 (3.9)

0.30

MCP-1 (pg/ml)*

279.1 (181.5)

259.7 (101.1)

182.3 (35.6)

198.7 (42.4)

0.16

Myeloperoxidase (ng/ml)*

523.7 (546.2)

597.9 (298.9)

379.6 (308.8)

430.3 (248.9)

0.031

TIMP-1 (ng/ml)*

162.7 (33.1)

160.7 (21.2)

162.3 (31.5)

146.0 (33.2)

0.61

VEGF (pg/ml)*

753.1 (217.9)

999.5 (826.2)

586.2 (192.1)

674.5 (149.4)

0.035

  1. Values in brackets are the standard deviations of the mean.
  2. P values were assessed using linear mixed effects models adjusted for age and gender (see methods section for details).
  3. # = Measured using SearchLight multiplex sandwich ELISA
  4. * = Measured using Luminex bead- based suspension array assays
  5. IP-10 = interferon-inducible protein 10, TNF-R1 = tumour necrosis factor receptor I, TNF-RII = tumour necrosis factor receptor 2, TIMP-2 = tissue inhibitors of metalloproteinases 2, HGF = hepatocyte growth factor, KGF = keratinocyte growth factor, MMP-13 = matrix metalloproteinase 13, GROα = growth-related oncogene alpha, CRP = C-reactive protein, ENA-78 = epithelial neutrophil-activating peptide 78, IL = interleukin, MCP-1 = monocyte chemotactic protein 1, TIMP-1 = tissue inhibitors of metalloproteinases 1, VEGF = vascular endothelial growth factor.