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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.