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Table 2 Serum concentrations of of KL-6, SP-D and MMP-2 in the patients with various stages of silicosis

From: Serum concentrations of Krebs von den Lungen-6, surfactant protein D, and matrix metalloproteinase-2 as diagnostic biomarkers in patients with asbestosis and silicosis: a case–control study

 

Stage I

stage II

Stage III

P value

n

21

8

16

 

KL-6, U/ml

200.2 ± 101.6

206.0 ± 127.8

314.6 ± 248.2

0.122

SP-D, ng/ml

7.0 ± 4.2

10.5 ± 7.0

7.3 ± 4.7

0.235

MMP-2, ng/ml

105.0 ± 27.4

100.9 ± 18.4

101.5 ± 19.3

0.869

  1. P value were computed by Kruskal–Wallis test