Reduced bronchoalveolar macrophage phagocytosis and cytotoxic effects after controlled short-term exposure to wood smoke in healthy humans

Table 2 Cell counts in BW and BAL after exposure to wood smoke

	BW		p-value	BAL		p-value
Cells 10⁴/ml	Air	Wood smoke	Air vs. Wood smoke	Air	Wood smoke	Air vs. Wood smoke
Alveolar macrophages	7.9	5.1	0.08	9.9	9.9	0.90
	4.8–10.3	3.5–7.5		8.0–12.4	8.3–11.5
Neutrophils	2.1	2.0	0.16	0.14	0.15	0.11
	1.3–2.6	0.93–3.9		0.06–0.34	0.07–0.66
Lymphocytes	0.21	0.29	0.22	1.3	1.2	0.93
	0.12–0.47	0.01–0.63		0.82–2.0	0.70–2.5
Eosinophils	0.00	0.01	0.11	0.00	0.03	0.02
	0.00–0.02	0.00–0.03		0.00–0.04	0.02–0.12
Mast cells	0.003	0.006	0.08	0.007	0.008	0.55
	0.000–0.008	0.003–0.02		0.002–0.02	0.002–0.02

Cell counts are given as cells × 10⁴/mL. Data are expressed as medians with interquartile range. P-values were calculated using the Wilcoxon signed-rank test. A p-value < 0.05 was considered significant and marked in bold

ISSN: 1743-8977