Change in lung function and inflammatory blood parameters during a work shift in addition to the results the following day (n = 12)
| Before shift Mean (SD) | After shift Mean (SD) | Following day before shift Mean (SD) | Difference before shift and day after | Paired t test before shift and day after p value | ||
|---|---|---|---|---|---|---|
| Mean (SD) | 95% CI | |||||
| FVC (l) | 5.35 (0.8) | 5.18 (0.8) | 5.29 (0.9) | −0.06 (0.23) | −0.21 to 0.09 | 0.4 |
| FEV1 (l) | 4.24 (0.7) | 4.09 (0.6) | 4.18 (0.7) | −0.07 (0.18) | −0.18 to 0.05 | 0.2 |
| FEF25–75% (l/s) | 4.14 (1.6) | 3.91 (1.4) | 3.90 (1.3) | −0.23 (0.56) | −0.59 to 0.12 | 0.2 |
| PEF (l/s) | 766 (153) | 765 (166) | 724 (159) | −42 (57) | −78 to −6 | 0.03 |
| White blood cells(109/L) | 6.8 (1.3) | 7.2 (1.5) | 7.2 (1.1) | 0.43 (1.3) | −0.41 to 1.3 | 0.2 |
| IL-6 (ng/l) | 1.64 (0.6) | 3.60 (2.9) | 1.83 (0.9) | 0.19 (0.87) | −0.37 to 0.74 | 0.5 |
| Fibrinogen (g/l) | 2.63 (0.39) | 2.51 (0.64) | 2.88 (0.35) | 0.26 (0.43) | 0.01 to −0.53 | 0.06 |