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Table 1 Socio-demographic findings of the male participants in both COPD and control group

From: Erectile dysfunction and sex hormone changes in chronic obstructive pulmonary disease patients

  COPD Control p value
Subjects (n) 70 68 -
Age (years) 63.34 ± 10.13 59.77 ± 10.46 NS
BMI (kg/m 2 ) 25 ± 4.43 27.8 ± 3.46 0.003
Smoking (pack-years) 37.67 ± 16.67 19.57 ± 14.32 0.000
Education (%)   
Unschooled (%) 35.7 19.1 0.017*
Elementary school (%) 45.8 47.1  
High school or higher (%) 18.5 33.8  
  1. BMI, Body mass index; NS, not statistically significant.
  2. *Unschooled group was statistically significant to High school or higher group.