Table 3

Bronchial biopsy subepithelial cell counts per mm2

Normal (n = 9)Idiopathic cough (n = 10)Explained cough (n = 13)
Data are expressed as median (range).
*p<0.05 (Kruskal-Wallis test).
CD3 (T cells)38 (8–69)22 (6–105)57 (19–125)
CD412 (0–51)27 (4–119)33 (12–95)
CD816 (0–33)9 (1–27)17 (0–73)
IFNγ4.6 (0–10.7)0 (0–7.1)*3.7 (0–10.7)
IL-55 (0–15)3 (0–17)7 (0–21)
IL-41.9 (0–13.6)0.3 (0–7.4)5.3 (0–11.4)*
Eosinophils (EG2)1 (0–12)2 (0–29)11 (0–58)*
Eosinophils (MBP)5 (0–19)7 (2–24)16 (3–90)*
Mast cells15 (7–50)19 (6–60)26 (15–72)
Neutrophils14 (0–50)24 (7–45)15 (4–64)
Macrophages8 (0–36)5 (0–18)11 (0–28)
NK cells (CD56)5.3 (0–15.6)0.3 (0–4.8)*2.4 (0–13.8)
Leucocytes (CD45)53 (6–127)40 (19–90)56 (18–168)