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Table 4 Characteristics of patients and lesions in diagnostic success and failure groups

From: Clinical role, safety and diagnostic accuracy of percutaneous transthoracic needle biopsy in the evaluation of pulmonary consolidation

Variable Success (n = 24) Failure (n = 6) P value
Patient characteristics
 Age, yr. (mean ± SD) 66 ± 10 72 ± 10 0.2
 Sex    0.2
  Male 12 12  
  Female 12 12  
 History of malignancy    0.6
  No 9 2  
  Yes 15 4  
 Clinical suspicion    1
  Infection 7 2  
  Cancer 17 4  
 Bronchoscopy before biopsy    0.3
  No 17 6  
  Yes 7 0  
CT findings
 Emphysema    0.1
  Absent 18 2  
  Present 6 4  
 Distribution of consolidation    0.7
  Single lung 13 4  
  Bilateral 11 2  
 Ground glass component    0.009
  Absent 5 5  
  Present 19 1  
 Presence of cavitation    0.6
  Absent 20 6  
  Present 4 0  
 Hilar adenopathy    0.6
  Absent 16 5  
  Present 8 1  
 Mediastinal adenopathy    1
  Absent 17 5  
  Present 7 1  
 Pleural effusion    0.2
  Absent 12 5  
  Present 12 1  
Procedure Characteristics
 Biopsy site    0.07
  Above the hilum 9 5  
  Below the hilum 15 1  
 Transversed aerated lung    1
  No 21 5  
  Yes 3 1  
 Area biopsied    0.7
  Edge 13 4  
  Center 11 2  
 Needle path, mm (mean ± SD) 17 ± 1 14 ± 1 0.5
 Hemoptysis    1
  No 22 6  
  Yes 2 0  
 Pneumothorax    0.5
  No 22 5  
  Yes 2 1  
 Samples obtained    1
  FNA only 7 1  
  FNA and core 17 5  
Final diagnosisa    0.02
  Malignant 19 1  
  Benign 5 4  
  1. afinal diagnosis was only available for 29 patients as one patient was lost to follow-up
  2. Student t-test was used for continuous variables
  3. Fisher exact test was used for categorical variables