Table 2.
Clinical characteristics of patients with recent cigarette consumption. Data are expressed in number of patients, mean ± standard deviation or median and range for non-normal distributions.
| Ever Smokers (n = 593) | <24 h (n = 167) | >24 h (n = 426) | p-Value |
|---|---|---|---|
| Age (mean (SD)) | 56.98 (14.97) | 60.83 (13.57) | <0.001 |
| BMI (mean (SD)) | 26.63 (5.76) | 27.75 (5.80) | 0.114 |
| Gender = M/F (%) | 47.9/52.1 | 27.7/72.3 | 0.001 |
| FEV1 (mean (SD)) (l) | 2.03 (0.87) | 2.05 (0.90) | <0.001 |
| FVC (mean (SD)) (l) | 3.37 (1.05) | 3.41 (1.08) | <0.001 |
| FEV1/FVC (mean (SD)) (%) | 56 (16) | 56 (16) | <0.001 |
| FEV1 pred (mean (SD)) (%) | 68.82 (21.79) | 70.99 (23.83) | <0.001 |
| Pack/year (median [IQR]) | 30.00 [17.00, 48.00] | 25.00 [10.95, 41.25] | <0.001 |
| ACQ (median [IQR]) | 1.86 [1.14, 2.86] | 1.60 [0.88, 2.50] | 0.010 |
| CCQ (median [IQR]) | 1.40 [0.00, 2.55] | 1.00 [0.00, 2.30] | <0.001 |
BMI: body mass index; ACQ: asthma control questionnaire; CCQ: clinical COPD questionnaire.