Table 4

Inflammatory cells in sputum after smoking and no smoking.


Baseline (192 hours)
3 hours
6 hours
12 hours
24 hours

SMOKING

Sputum cells, 106/ml
1.8 (0.1–16.3)
2.0 (0.3–6.6)
2.4 (0.1–7.3)
2.4 (0.5–6.6)
2.6 (0.0–9.0)
Neutrophils, %
56.9 (22.0–97.3)
56.4 (4.0–96.0)
83.2 (13.7–97.3)
77.5 (32.2–98.3)
67.3 (39.0–84.3)
Macrophages, %
37.9 (2.5–74.5)
42.2 (3.7–84.8)
13.8 (2.5–68.5)
16.8 (1.7–61.7)
27.4 (14.8–57.7)
Eosinophils, %
0.1 (0.0–6.2)
0.5 (0.0–5.2)
0.0 (0.0–0.3)
1.1 (0.0–8.3)
1.0 (0.0–5.2)
Lymphocytes, %
1.1 (0.0–3.8)
0.4 (0.0–1.7)
1.0 (0.0–2.0)
1.2 (0.0–7.3)
0.4 (0.0–1.8)

NO SMOKING

Sputum cells, 106/ml
2.8 (0.8–23.8)
3.1 (0.1–20.4)
2.0 (0.7–7.9)
2.1 (0.4–6.2)
2.1 (0.6–9.5)
Neutrophils, %
50.9 (20.3–84.8)
58.9 (31.8–94.2)
73.2 (22.8–94.7)
83.2 (26.7–98.3)
64.5 (29.0–80.3)
Macrophages, %
46.9 (15.0–77.7)
38.5 (4.2–64.0)
20.8 (4.5–71.2)
10.3 (1.7–67.8)
28.7 (16.0–66.5)
Eosinophils, %
0.2 (0.0–3.2)
0.3 (0.0–1.2)
0.2 (0.0–4.2)
1.7 (0.0–15.5)
2.2 (0.5–12.5)
Lymphocytes, %
0.7 (0.0–4.0)
0.9 (0.0–2.8)
0.4 (0.0–3.5)
0.2 (0.0–3.7)
0.9 (0.0–1.5)

Values are expressed as medians (ranges).

van der Vaart et al. Respiratory Research 2005 6:22   doi:10.1186/1465-9921-6-22