| Table 4: Pulmonary function indices of catering staff and unexposed group (before and after exposure). Values are mean (SD) percent predicted value. | ||||||
| Index | Kitchen workers | Comparison group (n=60) | p value | |||
|
Pre-shift
(n=60) |
Post-shift
(n=60) |
Pre-shift
vs
post-shift exposed group |
Pre-shift exposed
vs
unexposed group |
post-shift exposed
vs
unexposed group |
||
| VC | 93.6 (11.3) | 85 (8.9) | 93.5 (11.3) | <0.001 | 0.941 | <0.001 |
| FVC | 91 (11.3) | 86.5 (11.1) | 92 (11.2) | <0.001 | 0.636 | 0.014 |
| FEV1 | 90 (10.7) | 85.4 (11.7) | 90.8 (17.5) | <0.001 | 0.795 | 0.008 |
| PEF | 93.3 (19.5) | 89.9 (20.2) | 97.8 (17.8) | 0.051 | 0.180 | 0.007 |
| FEV1/FVC | 83 (8.3) | 82 (9.4) | 82.3 (6.3) | 0.682 | 0.734 | 0.826 |
| FEV1/VC | 77.4 (11.7) | 80.6 (10.2) | 78.2 (14.1) | 0.008 | 0.597 | 0.328 |
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