Concentration of 8‐isoprostane and hydrogen peroxide (H2O2) in exhaled breath condensate
| Subject No. | 8‐isoprostane pg·mL−1 | Hydrogen peroxide µM | ||||
| Time 1 | Time 2 | Time 3 | Time 1 | Time 2 | Time 3 | |
| 1 | ND | ND | ND | 0.41 | ND | 0.31 |
| 2 | ND | ND | ND | 0.31 | ND | ND |
| 3 | ND | ND | 10.6 | ND | 0.31 | ND |
| 4 | ND | ND | 6.6 | 0.31 | 0.32 | ND |
| 5 | ND | ND | 6.2 | 0.31 | ND | 0.49 |
| 6 | ND | 4.8 | ND | ND | ND | 0.42 |
| 7 | 7.7 | 4.4 | 3.9 | 0.31 | ND | ND |
| 8 | 3.9 | 4.0 | 4.0 | ND | ND | 0.31 |
| 9 | 5.1 | 4.5 | 3.9 | ND | 0.34 | ND |
| 10 | ND | ND | ND | ND | ND | ND |
| 11 | 4.0 | ND | 8.3 | ND | 0.31 | ND |
| 12 | ND | ND | ND | ND | 0.32 | 0.31 |
ND: nondetectable (<3.9 pg·mL−1 for 8‐isoprostane and <0.31 µM for H2O2)