Table 3

Correlations between histological score and immunohistochemical findings

Correlation coefficients (Spearman-Rho, 2-sided)
Histological score
IHC (MP)
IHC (PII)

IHC (MP)
0.410
p = 0.005


IHC (PII)
0.459
p = 0.002
0.612
p < 0.001

IHC (BE)
0.493
p = 0.001
0.448
p = 0.002
0.495
p = 0.001

IHC: Number of CP antigen-positive cells in 3 high power fields

MP: macrophages, PII: type II pneumocytes, BE: bronchiolar epithelial cells

Theegarten et al. Respiratory Research 2008 9:14   doi:10.1186/1465-9921-9-14