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Table 3 Multiple Stepwise Analysis of Dependent Variable by Lung Ventilation Functional Parameters and Independent Variable by Serum Biomarker Levels in Group 0+

From: Alterations of serum biomarkers associated with lung ventilation function impairment in coal Workers: A cross-sectional study

Dependent Variable Independent Variable Unstandardized Coefficients Standardized Coefficients t p Value
FVC (% p) MMP-9 -0.098 -0.065 -2.449 0.040
FEV1/FVC (%) IL-13 -1.439 -0.428 -3.364 0.010
FEF25 (% p) TIMP-9 0.184 0.687 2.675 0.028
  1. Significance: p < 0.05