Lung function groups3-151 in refineries and process
|
FEV1(ml) (% predicted) |
FVC (ml) (% predicted) |
FEV1/FVC (%) | |
| Refineries: | |||
| Refinery 1 | −47.9 (104.7) | −151.5 (104.8) | 1.45 |
| Refinery 2 | 60.6 (107.7) | 118.3 (110.8) | −0.67 |
| Refinery 3 | −37.1 (105.5) | 43.8 (109.5) | −1.44 |
| p Value3-150 | <0.001 | <0.001 | <0.001 |
| Process groups: | |||
| Office or administration | 8.0 | −36.6 | 0.81 |
| Powerhouse | −30.7 | −83.4 | 0.77 |
| Maintenance | −20.5 | −10.0 | −0.30 |
| Digestion | −26.6 | 26.7 | −0.89 |
| Clarification | 21.0 | 100.0 | −1.20 |
| Precipitation | 20.5 | −42.0 | 1.12 |
| Calcification or shipping | 62.5 | 84.6 | −0.09 |
| Residue | −11.5 | −116.3 | 1.41 |
| Descale | 55.1 | 76.0 | −0.14 |
| p Value3-150 | 0.55 | 0.03 | <0.001 |