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Table 4 Serum immunochemistry

From: Subclinical interstitial lung damage in workers exposed to indium compounds

Serum immunochemistry n GM GSD Range p
Serum indium (μg/L) 34 10.9 6.7 ND-125.8  
S-in <10 16 2.5 6.2 ND-9.2 <0.0001
S-in ≥10 18 39.4 2.2 11.7-125.8  
KL-6 (U/mL) 34 859.0 1.9 274.6-2062.2  
S-in <10 16 704.4 1.8 242.6-942.7 0.0760
S-in ≥10 18 1024.6 1.8 948.0-2062.2  
SP-D (ng/mL) 34 179.3 1.8 60.0-466.1  
S-in <10 16 135.0 1.7 59.9-177.0 0.0064
S-in ≥10 18 230.7 1.7 183.4-466.1  
  1. Abbreviations: GM geometric mean, GSD geometric standard deviation, S-in serum indium, KL-6 Krebs von den Lungen-6, SP-D surfactant protein D, P probability by Student t-test.