Percentage and concentration of nonsquamous cells and mediators in induced sputum of 21 waste collectors
| Induced sputum parameters | Monday | Thursday |
| Total cells×106·mL−1 | 1.39 (0.43–7.10) | 2.35 (0.26–11.64) |
| Macrophages×106·mL−1 | 0.65 (0.22–3.41) | 0.95 (0.13–3.62) |
| Neutrophils×106·mL−1 | 0.50 (0.08–4.90) | 1.23* (0.12–7.95) |
| Eosinophils×106·mL−1 | 0.002 (0–0.05) | 0.007* (0–0.05) |
| Lymphocytes×106·mL−1 | 0.004 (0–0.28) | 0.005 (0–0.08) |
| Macrophages % | 53 (21–96) | 40 (10–79) |
| Neutrophils % | 46 (4–75) | 58* (22–90) |
| Eosinophils % | 0.2 (0–1.2) | 0.3 (0–4.3) |
| Lymphocytes % | 0.2 (0–1.5) | 0.3 (0–1.5) |
| IL-8 ng·mL−1 | 1.14 (0.05–32.12) | 1.40* (0.06–51.36) |
| ECP ng·mL−1 | 60.9 (4.8–523) | 71.7 (8.0–1800) |
Data are presented as median (range)
IL: interleukin
ECP: eosinophil cationic protein
*: p<0.05 significance level between Thursday and Monday (Wilcoxon signed-rank test)