Description of the average concentrations of phospholipids and proteins across healthy, subjects with asthma and smoker groups, ECRHS-III (n=200)
| Phospholipids and proteins concentration | Healthy (n=168) | Asthma (n=16) | Smokers (n=17) | Total (n=200) | ||||
| Mean | SD | Mean | SD | Mean | SD | Mean | SD | |
| DPPC (wt%) | 11.9 | 2.6 | 11.3 | 2.2 | 13.7 | 3.8 | 11.9 | 2.5 |
| POPC (wt%) | 3.0 | 0.8 | 2.9 | 0.8 | 3.5 | 1.0 | 3.0 | 0.7 |
| PC14:0/16:0 (%) | 21.5 | 5.1 | 23.2 | 4.3 | 23.0 | 5.4 | 21.5 | 4.9 |
| PC16:0/18:2 (%) | 9.9 | 2.2 | 11.1 | 1.3 | 9.6 | 1.9 | 10.0 | 2.1 |
| SP-A (wt%) | 3.3 | 1.1 | 3.4 | 1.5 | 3.7 | 0.9 | 3.3 | 1.1 |
| Albumin (wt%) | 6.8 | 2.7 | 5.6 | 2.1 | 5.7 | 1.3 | 6.7 | 2.7 |
| PEx (kn/L) | 7.6 | 6.9 | 6.6 | 5.8 | 9.8 | 6.9 | 7.5 | 6.7 |
DPPC, di-palmitoyl-di-phosphatidyl-choline; ECRHS-III, European Community Respiratory Health Survey III; PC, phosphatidylcholine; PEx, particles of exhale; SP-A, surfactant protein A.