Table 1

Baseline characteristics of 363 cases


n
%

Sex


Male
221
60.9
Female
142
39.1
Age (years)


< 59
87
24.0
59–67
92
25.3
68–74
90
24.8
> 74
94
25.9
Size*


<= 2 cm
41
11.3
2–3 cm
62
17.1
3–4 cm
53
14.6
> 4 cm
207
57.0
Distance from carina#


<= 5 cm
144
39.7
> 5 cm
179
49.3
Indeterminate
40
11.0
Endobronchial visibility


Non visible lesion
132
36.4
Constriction, compression or submucosal lesion
90
24.8
Visible lesion
141
38.8
Localization


Left upper lobe without lingula
75
20.7
Left lingula
10
2.8
Left lower lobe
53
14.6
Right upper lobe
88
24.2
Right middle lobe
19
5.2
Right lower lobe
73
20.1
Mediastinum
30
8.3
Indeterminate
15
4.1

*Size was measured on axial Ct thorax, only chest radiograph available in 5 cases.

#Distance from carina is measured as the distance from carina to the lesion on the chest radiograph, front projection.

Roth et al. BMC Pulmonary Medicine 2008 8:2   doi:10.1186/1471-2466-8-2