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Table 4 Semi-quantitative score of cytokine expression in lung tissues

From: Role of metal oxide nanoparticles in histopathological changes observed in the lung of welders

 

Controls

Welders

P value

 

(n = 7)

(n = 10)

 

IL-1β

1.71 ± 1.11

3.60 ± 0.52

0.002

TNF-α

0.83 ± 0.75

3.43 ± 1.81

0.042

CCL2

1.86 ± 1.57

2.00 ± 1.31

ns

CCL3

1.29 ± 1.25

3.00 ± 1.00

0.015

  1. Each value is given as a mean semi-quantitative scorea ± SD. ns: not significant; SD: standard deviation.
  2. aSemi-quantitative score [0: 0 positive cells/slide; 1: 1–5 positive cells/slide; 2: 5–10 positive cells/slide; 3: 10–50 positive cells/slide; 4: >50 positive cells/slide].