Table 3—

Comparison of nonsquamous sputum inflammatory cells in chronic obstructive pulmonary disease patients with and without chronic bronchitis(CB) #

With CBWithout CBp-value
Subjects n5055
Absolute numbers ×104· mL−1
 Total cell count135.0 (78.6–283.9)149.1 (73.8–313.0)0.54
 Neutrophils90.0 (46.1–204.6)110.0 (56.3–231.0)0.31
 Macrophages32.6 (18.8–64.8)29.6 (13.0–59.3)0.45
 Lymphocytes2.2 (1.0–5.6)2.1 (1.0–7.2)0.94
 Eosinophils1.7 (0.48–4.9)1.1 (0.2–3.3)0.13
 Epithelial cells1.26 (0.69–3.39)1.37 (0.43–3.82)0.40
 Basophils0 (0–0)0 (0–0)
Percentages
 Neutrophils69.9 (55.0–97.5)73.8 (65.8–83.7)0.046*
 Macrophages23.0 (17.7–35.1)21.3 (12.7–28.3)0.039*
 Lymphocytes1.8 (1.2–2.4)1.7 (0.8–2.2)0.47
 Eosinophils1.4 (0.5–2.3)0.7 (0.2–1.7)0.033*
 Epithelial cells1.0 (0.5–2.3)1.3 (0.2–2.3)0.32
  • Data are presented as median (interquartile range), unless otherwise stated. #: sputa from 106 patients were available for analysis. *: p<0.05