Table 6.
Effects of FA exposure and DE exposure on cell count in peripheral blood
|
Cell type |
Cell count (×10
9
/L) |
P-values for DE exposure vs. FA exposure |
|||||
|---|---|---|---|---|---|---|---|
| Before exposure | After exposure | 20 h post-exposure | Δ after exposure a | Δ 20 h post-exposure a | Δ after exposure a | Δ 20 h post-exposure a | |
|
FA exposure
|
|
|
|
|
|
|
|
| Leukocytes |
5.45±1.36 |
5.72±1.34 |
5.17±1.17 |
0.27±0.53 |
-0.28±1.02 |
-- |
-- |
| Neutrophils |
3.02±1.15 |
2.99±1.03 |
2.64±0.75 |
-0.04±0.31 |
-0.38±0.99 |
-- |
-- |
| Eosinophils |
0.19±0.09 |
0.20±0.11 |
0.21±0.11 |
0.01±0.06 |
0.02±0.06 |
-- |
-- |
| Lymphocytes |
1.69±0.49 |
2.02±0.64 |
1.83±0.53 |
0.33±0.32 |
0.14±0.30 |
-- |
-- |
| Monocytes |
0.49±0.13 |
0.48±0.15 |
0.44±0.12 |
-0.01±0.13 |
-0.05±0.11 |
-- |
-- |
|
DE exposure
|
|
|
|
|
|
|
|
| Leukocytes |
5.29±1.00 |
5.60±0.98 |
5.45±1.37 |
0.31±0.55 |
0.16±1.01 |
0.725 |
0.007 |
| Neutrophils |
3.00±0.81 |
2.91±0.63 |
2.89±1.04 |
-0.09±44 |
-0.11±0.93 |
0.474 |
0.139 |
| Eosinophils |
0.19±0.12 |
0.20±0.13 |
0.22±0.13 |
0.01±0.06 |
0.03±0.07 |
0.847 |
0.431 |
| Lymphocytes |
1.59±0.48 |
1.94±0.59 |
1.82±0.64 |
0.35±0.24 |
0.23±0.35 |
0.651 |
0.264 |
| Monocytes | 0.47±0.11 | 0.51±0.10 | 0.48±0.13 | 0.04±0.11 | 0.01±0.10 | 0.042 | 0.017 |
Values are mean ± standard deviation (SD).
DE, diesel exhaust; FA, filtered air.
aΔ after exposure = after exposure – before exposure; Δ 20 h post-exposure = 20 h post-exposure – before exposure.