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Table 8 Markers of oxidative-inflammatory status

From: Chronic exposure to emissions from photocopiers in copy shops causes oxidative stress and systematic inflammation among photocopier operators in India

Marker

Control n = 43

Photocopier operators n = 81

p value

Non smokers

    

Control n = 29

Photocopier operators n = 46

p value

Total protein (g/L)

68.9 (63.0 – 76.3)

72.4 (66.1 – 75.3)

0.167

68 (60.1 – 73.0)

72 (67.7 – 74.8)

0.048

Albumin (g/L)

39.6 (36.7 – 44.9)

37.1 (33.1 – 40.9)

0.011

38.8 (34.6 – 42.3)

36.5 (32.9 – 41.0)

0.228

Globulin (g/L)

27.1 (20.4 – 35.8)

34.0 (28.6 – 39.4)

0.015

27.9 (20.4 – 35.5)

34.0 (29.0 – 39.3)

0.042

FRAC (mM)

1.5 (0.8 – 1.9)

1.0 (0.8 – 1.4)

0.010

1.6 (0.8 – 2.0)

1.0 (0.7 – 1.4)

0.008

TBARS (μM)

1.4 (1.0 – 1.9)

2.7 (2.1 – 3.5)

<0.001

1.4 (0.8 – 1.7)

2.8 (2.1 – 3.4)

<0.001

8-Isoprostane (pg/mL)

41.7 (23.6 – 52.8)

46.4 (31.7 – 65.4)

0.146

35.4 (20.5 – 51.5)

45.5 (24.6 – 67.5)

0.159

CRP (μg/mL)

1.4 (0.6 – 2.6)

0.9 (0.4 – 1.8)

0.083

1.7 (1.0 – 2.8)

1.0 (0.4 – 2.0)

0.051

ICAM-1 (ng/mL)

113 (97 – 165)

187 (104 – 266)

0.015

113 (99 – 165)

135 (101 – 239)

0.356

LTB4 (ng/mL)

13.0 (7.6 – 40.1)

81.9 (22.3 – 159.1)

<0.001

9.2 (6.5 – 15.9)

78 (12 – 169)

<0.001

CC-16 (ng/mL)

7.3 (2.7 – 28.3)

7.8 (3.3 – 33.8)

0.705

7.8 (2.7 – 36.1)

7.1 (2.9 – 32.3)

0.908

ECP (ng/mL)

135 (80 – 207)

213 (118 – 307)

0.009

128 (80 – 207)

215 (147 – 327)

0.015

IL-8 (pg/mL)

17.4 (10.6 – 18.6)

18.1 (17.1 – 20.7)

0.001

16.4 (8.6 – 17.8)

18.2 (16.7- 21.1)

0.002

  1. FRAC Ferric Reducing Antioxidant Capacity, TBARS Thiobarbituric acid reactive substances, CRP C-reactive protein, ICAM-1 Intercellular Adhesion Molecule 1, Leukotriene B4 – Leukotriene B4, CC-16, Clara cell protein, ECP Eosinophilic Cationic Protein, IL-8 Interleukin 8, pg Picogram, μg Microgram, ng Nanograms, mM Millimoles, μM Micromoles, p values for Mann Whitney test.