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BioMed Research International
/
2015
/
Article
/
Tab 1
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Research Article
The Role of Contrast-Enhanced Ultrasound in Selection Indication and Improveing Diagnosis for Transthoracic Biopsy in Peripheral Pulmonary and Mediastinal Lesions
Table 1
Baseline characteristics of patients in the two groups.
Characteristic
June 2012 to
July 2013
July 2011 to
May 2012
value
Number of patients (
)
90
60
Age (y)
59.0 ± 11.6
61.4 ± 14.1
0.273
Male/female (
)
54/36
41/19
0.299
Lesion location
Pulmonary (
)
74
49
0.415
Mediastinum (
)
10
4
Pleural (
)
6
7
Malignant/benign (
)
66/24
36/24
0.086
Values are mean ± SD where applicable.