Table 2.
The inflammatory markers (mean±SD) in patients aged < 18 years (n = 766) exposed to air pollutants exceeding/not exceeding the limits during a week before hospitalization.
| Parameter | Age group |
mean 24 h PM2.5 |
max 24 h PM2.5 |
mean 24 h B (a)P |
max 24 h B (a)P |
||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ≤ 20 µg/m3 | > 20 µg/m3 | p | ≤ 20 µg/m3 | > 20 µg/m3 | p/t | ≤ 1 ng/m3 | > 1 ng/m3 | p | ≤ 1 ng/m3 | > 1 ng/m3 | p | ||
| CRP [mg/L] | ≤ 12 | 13.3 ± 29.6 |
10.6 ± 16.7 |
ns | 12.5 ± 27.2 |
14.5 ± 32.7 |
ns | 9.6 ± 20.5 |
17.6 ± 36.6 |
* * | 8.6 ± 19.1 |
17.1 ± 34.9 |
* * |
| 13–17 | 10.0 ± 19.4 |
12.3 ± 21.0 |
ns | 9.1 ± 16.9 |
13.0 ± 25.1 |
ns | 7.7 ± 14.6 |
15.3 ± 26.4 |
* | 8.7 ± 15.7 |
12.0 ± 23.5 |
ns | |
|
IL-6 [pg/mL) |
≤ 12 | 8.7 ± 23.3 |
23.7 ± 18.4 |
ns | 7.5 ± 20.2 |
28.7 ± 47.8 |
* * | 4.5 ± 9.3 |
25.9 ± 44.7 |
* ** | 4.5 ± 9.4 |
24.2 ± 43.3 |
* ** |
| 13–17 | 5.9 ± 18.4 |
15.2 ± 12.0 |
ns | 3.5 ± 10.1 |
30.1 ± 45.9 |
* ** | 3.7 ± 10.1 |
32.6 ± 49.8 |
* ** | 3.5 ± 10.7 |
17.2 ± 35.5 |
* | |
|
PCT [ng/mL] |
≤ 12 | 0.3 ± 0.9 |
0.2 ± 0.3 |
ns | 0.2 ± 0.9 |
0.4 ± 1.1 |
ns | 0.2 ± 0.5 |
0.4 ± 1.3 |
* | 0.1 ± 0.5 |
0.4 ± 1.3 |
* * |
| 13–17 | 0.2 ± 0.7 |
0.3 ± 0.5 |
ns | 0.1 ± 0.7 |
0.3 ± 0.7 |
ns | 0.1 ± 0.8 |
0.3 ± 0.6 |
ns | 0.2 ± 0.8 |
0.2 ± 0.5 |
ns | |
|
WBC [× 103/µL] |
≤ 12 | 8.5 ± 4.4 |
9.2 ± 3.0 |
ns | 8.5 ± 4.5 |
8.8 ± 3.8 |
ns | 8.1 ± 3.9 |
9.1 ± 4.8 |
* | 7.9 ± 3.5 |
9.0 ± 4.9 |
* * |
| 13–17 | 6.3 ± 3.1 |
6.5 ± 3.0 |
ns | 6.1 ± 3.0 |
7.0 ± 3.2 |
ns | 6.0 ± 3.0 |
7.2 ± 3.2 |
* | 6.1 ± 3.1 |
6.8 ± 3.1 |
ns | |
ns – not significant; * - p < 0.05; * * - p < 0.01; * ** - p < 0.001