Table 2—

Sputum cell counts in controls, asthmatics, swimmers and cold-air athletes

Healthy controlsControls with asthmaSwimmersCold-air athletes
Subjects n32323232
Total cell count cells·g−14.9±5.03.5±5.14.2±3.35.4±4.6
Cell viability %67±1471±1768±1969±27
Neutrophils %24.4 (2.0–95.3)21.6 (1.0–76.3)34.8 (7.0–68.8)21.6 (4.3–80.5)#
Eosinophils %0.1 (0–3.5)2.6 (0–36.1)¶¶¶0.8 (0–6.8)*,#0.1 (0–7.8)###
Macrophages %71.6 (2.0–89.5)68.3 (5.5–88.0)52.4 (20.0–92.0)59.0 (7.3–91.5)
Lymphocytes %1.5 (0–4.8)1.4 (0–8.8)1.3 (0–6.8)1.0 (0–3.3)
Bronchial epithelial cells %0.8 (0–11.8)1.1 (0–11.9)2.9 (0.5–20.4)*,#2.5 (0.5–11.8)
  • Data are presented as mean±sd or median (range), unless otherwise stated. *: p<0.05 versus healthy controls; #: p<0.05 and ###: p<0.001 versus controls with asthma; ¶¶¶: p<0.001 versus healthy controls.