Total Population (No Stratification)
FEV1 (L)      
  Mean 95% CI p-value
Study Population 3.81 3.71 – 3.91 0.0359
NHANES III 3.71 3.69 - 3.73  
FVC (L)      
  Mean 95% CI p-value
Study Population 4.85 4.73 – 4.96 0.0189
NHANES III 4.70 4.68 - 4.73  
Table 2: Pulmonary Function Means for the Total Population.