|   | 
        
            Entire group
          (n=501)           | 
        
            COPD
          (n=133) | 
        
            Non-COPD
          (n=388) | 
        
            P* | 
       
      
        | Hypertension | 
        350 (69.9) | 
        81 (71.7) | 
        269 (69.3) | 
        0.632 | 
       
      
        | Hyperlipidaemia | 
        312 (62.3) | 
        65 (57.5) | 
        247 (63.7) | 
        0.236 | 
       
      
        | Ishaemic    heart disease | 
        381 (76.0) | 
        87 (77.0) | 
        294 (75.8) | 
        0.789 | 
       
      
        | Congestive    cardiac failure | 
        25 (5.0) | 
        10 (8.8) | 
        15 (3.9) | 
        0.032 | 
       
      
        | Arrhythmia | 
        124 (24.8) | 
        33 (29.2) | 
        91 (23.5) | 
        0.213 | 
       
      
        | Valvular    heart disease | 
        85 (17.0) | 
        15 (13.3) | 
        70 (18.0) | 
        0.235 | 
       
      
        | Pulmonary    hypertension | 
        15 (3.0) | 
        8 (7.1) | 
        7 (1.8) | 
        0.004             | 
       
     
          Values are numbers with percentages in parenthesis 
    *p between COPD and non-COPD subjects |