| Variable | 
        Parameter    Estimate | 
        p-value | 
        Odds    Ratio | 
        95%    Confidence Limits | 
       
      
        | OSA    (Yes vs. No) | 
        -1.004 | 
        0.234 | 
        0.367 | 
        (0.070,    1.916) | 
       
      
        | Age | 
        0.022 | 
        0.212 | 
        1.022 | 
        (0.988,    1.057) | 
       
      
        | Gender    (Male vs. Female) | 
        0.538 | 
        0.160 | 
        0.712 | 
        (0.809,    3.623) | 
       
      
        | BMI    (per one unit increase) | 
        -0.010 | 
        0.752 | 
        0.990 | 
        (0.932,    1.052) | 
       
      
        | FEV1 | 
        -0.022 | 
        0.054 | 
        0.978 | 
        (0.956,    1.000) | 
       
      
        | DLCO | 
        -0.013 | 
        0.191 | 
        0.987 | 
        (0.967,    1.007) | 
       
      
        | HTN    (Yes vs. No) | 
        -0.653 | 
        0.080 | 
        0.520 | 
        (0.250,    1.081) | 
       
      
        | CHF    (Yes vs. No) | 
        0.719 | 
        0.460 | 
        2.052 | 
        (0.305,    13.797) | 
       
      
        | CAD    (Yes vs. No) | 
        -0.067 | 
        0.892 | 
        0.936 | 
        (0.359,    2.436) | 
       
      
        | PVD    (Yes vs. No) | 
        0.665 | 
        0.286 | 
        1.943 | 
        (0.573,    6.591) | 
       
      
        | COPD    (Yes vs. No) | 
        0.056 | 
        0.899 | 
        1.058 | 
        (0.446,    2.511) | 
       
      
        | Smoking    (Yes vs. Never) | 
        0.654 | 
        0.229 | 
        1.924 | 
        (0.662,    5.591) | 
       
      
        | Diabetes    (yes vs. No) | 
        -0.718 | 
        0.210 | 
        0.488 | 
        (0.159,    1.498)  | 
       
      
        | Procedure    time (per minute increase) | 
        0.00005 | 
        0.231 | 
        1.000 | 
        (1.000,    1.000) | 
       
      
        | Operative    approach (Thoracotomy vs. VATS) | 
        0.165 | 
        0.715 | 
        1.179 | 
        (0.487,    2.856) | 
       
      |