Dynamic spirometry values before and after 1 minute of exposure to propylene glycol mist (n=27)
| Lung function parameter | 10 min before exposure mean (SD) | 10 min after exposure mean (SD) | Two tailed p value4-150 |
| VC | 4.92 (0.93) | 4.92 (0.91) | 0.48 |
| FVC | 4.66 (0.89) | 4.70 (0.96) | 0.23 |
| FEV1 | 4.01 (0.71) | 3.98 (0.78) | 0.29 |
| FEV1/FVC | 86.8 (7.3) | 84.8 (6.5) | 0.049 |
| PEF | 650 (179) | 638 (183) | 0.45 |
↵4-150 Calculated by Student's t test for paired comparison.