Table 2.
Quantitative computed tomography characteristics of study population.
| Characteristic | Silk nonsmoker | Cotton nonsmoker | Silk smoker | Cotton smoker | p-Valuea |
|---|---|---|---|---|---|
| % Emphysema (LAAI-950) | 12.5 ± 6.2 | 11.9 ± 5.6 | 16.3 ± 6.2 | 14.0 ± 6.2 | < 0.001 |
| 15th Percentile density (PD15) | –938.3 ± 26.5 | –936.8 ± 27.0 | –950.1 ± 22.6 | –942.8 ± 25.7 | 0.004 |
| Lung mass, g | 616.5 ± 80.4 | 653.7 ± 91.4 | 775.7 ± 120.7 | 799.4 ± 123.5 | < 0.001 |
| Wall area % | 59.9 ± 6.4 | 62.7 ± 6.5 | 58.7 ± 6.2 | 60.0 ± 6.2 | < 0.001 |
| aBased on one-way analysis of variance. | |||||