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Table 1 Clinical characteristics of study population

From: RNAseq analysis of bronchial epithelial cells to identify COPD-associated genes and SNPs

  Non-COPD (n = 30) COPD (n = 30) p-value
Age, yr 64.3 63.6 0.713
Sex    0.009
 Male 11 22  
 Female 19 8  
Smoking status    1.0
 Current 10 9  
 Former 20 21  
 Never 0 0  
Pack-years 49 60 0.088
FEV1/FVC 0.81 0.53 5.81E-13
Ethnicity    
 White 28 26  
 AA 2 4  
  1. p-values were calculated using Student’s t-test for age and Pack-years, and Fisher exact test for sex and smoking history
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