|
Patient characteristics of the specimens examined by immunohistochemistry |
||||
| Non-smoker N = 16 |
Smoker N = 22 |
COPD N = 34 |
p-value |
|
|
|
||||
| Age, years |
65 (13) |
63 (8) |
62 (9) |
0.543 |
| Sex M:F |
8:8 |
17:5 |
27:7 |
0.103 |
| Pack-years |
0 |
46 (19)* |
38 (13)§ |
0.000 |
| FEV1 %predicted |
98 (15) |
90 (10) |
55 (23)*# |
0.000 |
| FEV1/FVC % |
86 (9) |
83 (11) |
56 (15)*# |
0.000 |
| MEF50 %pred |
94 (24) |
80 (37) |
34 (21)*# |
0.000 |
| DCO %pred |
91 (15) |
78 (14) |
64 (27)§ |
0.004 |
| DCO/VA %pred |
89 (11) |
83 (12) |
72 (24) § |
0.035 |
|
Mean (SD) *The mean difference between non-smokers and smokers is significant at the 0.05 level, Dunnett t-test. §The mean difference between non-smokers and COPD-patients is significant at the 0.05 level, Dunnett t-test. # The mean difference between smokers and COPD-patients is significant at the 0.05 level, Dunnett t-test. | ||||
Harju et al. Respiratory Research 2008 9:80 doi:10.1186/1465-9921-9-80 |
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