Skip to main content
. 2013 Apr 3;8(1):28. doi: 10.1186/2049-6958-8-28

Table 1.

Sample distribution as whole and by pneumology centers

  Whole group (n = 169) San Filippo Neri San Giovanni-Addolorata Policlinico Umberto I San Giovanni Battista p
Age (mean ± SD)
74(± 8)
73(± 6)
74(± 10)
77(± 7)
72(± 6)
ns
Male (%)
72.8
74.3
74.0
50.0
84.8
ns
BMI (mean ± SD)
27.3(± 4.8)
28.2(± 4.9)
26.6(± 5.2)
26.8(± 4.1)
28.5(± 4.0)
ns
Current smokers (%)
32.9
31.4
34.7
25
36.4
ns
PaO2 mmHg (mean ± SD)
69.3(± 11.7)
71.6(± 13.6)
69.6(± 12.1)
66.8(± 8.9)
67.3(± 10.5)
ns
FEV1 % pred. (mean ± SD)
56.3(± 20.1)
65.7(± 21.4)
53.2(± 19.8)
50.4(± 15.4)
57.7(± 19.8)
0.01
FEV1/FVC % (mean ± SD)
54.6(± 14.5)
58.2(± 12.1)
55.9(± 12.7)
52.1(± 21.2)
49.8(± 14.7)
ns
COPD exacerbations (mean ± SD)
1.83(± 1.27)
1.02(± 1.3)
2.32(± 1.1)
1.37(± 1.1)
1.87(± 1.2)
< 0.001
Charlson Index (mean ± SD)
4.88(± 2.07)
3.62(± 1.8)
5.72(± 2.2)
5.33(± 1.7)
4.0(± 1.2)
< 0.001
Cancer %
13.6
5.7
22.1
12.5
3.0
ns
Lung cancer % 5.9 2.9 10.4 3.0 0 ns