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Table 4 Univariate and multivariate analysis of factors predicting the acquisition of diagnostic samples for mediastinal and hilar adenopathies by TBNA.

From: Validity and reliability of transbronchial needle aspiration for diagnosing mediastinal adenopathies

Factors Diagnostic samples Univariate analysis Multivariate analysis
   p-value OR (95% CI) p-value
Sex     
   Male 291/422 (69.0%) 0.9 - -
   Female 106/154 (68.8%)    
Age     
   < 60 years 191/275 (69.5%) 0.7 - -
   ≥ 60 years 202/297 (68.0%)    
Type of disease     
   Malignant 297/413 (71.9%) 0.07 1.2 (0.7-2.0) 0.3
   Benign 101/167 (60.5%)    
Type of needle     
   Cytology 291/414 (70.3%) 0.1 1.1 (0.7-1.9) 0.4
   Histology 107/166 (64.5%)    
Lymph node station     
   Right paratracheal 161/234 (68.8%) 0.3 - -
   Subcarinal 106/147 (72.1%)    
   Left paratracheal 36/50 (72.0%)    
   Others 34/47 (72.3%)    
   Combination (2 or more) 61/102 (60.0%)    
Lymph node size     
   < 20 mm 159/274 (58.0%) 0.0001 2.2 (1.4-3.2) 0.0001
   ≥ 20 mm 239/306 (78.1%)    
Indirect sign     
   No 246/391 (62.9%) 0.0001 1.7 (1.1-2.6) 0.02
   Yes 152/189 (80.4%)    
  1. CI: confidence interval