Characteristic
COPD patients
Healthy controls
p value
Subjects
21
14
Pre vaccination sample (T0)
7
10
Ages (years; mean[range])
66(38-80)
54(36-86)
0.01#
Gender (M/F)
14/7
8/6
0.57&
Body Mass Index (mean[range])
26(13-33)
27(21-32)
0.80#
Previous vaccination
76% (16/5)
79% (11/3)
0.35&
Co-morbidity*
29% (6/15)
14% (2/12)
0.18&
Smoking history (current or past)
100% (21/0)
29% (4/10)
< 0.001&
Inhaled steroids
66% (14/7)
-
* Presence of hypertension, hyperlipidemia, diabetes or cardiovascular disease # Unpaired t test & Chi squared test
