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Table 2 Correlation analysis for Rbm splitting for both COPD groups and smokers with normal lung function*

From: Basement membrane and vascular remodelling in smokers and chronic obstructive pulmonary disease: a cross-sectional study

95% CI P value
Age (years) +0.36 -0.50 to +1.22 0.4
Pack-year smoking +0.43 +0.10 to +0.76 <0.02
  1. *CI = Confidence interval
  2. The regressions are also adjusted for gender