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Table 3 Analysis of mediastinal lymph nodes

From: Endobronchial ultrasound guided fine needle aspiration versus transcervical mediastinoscopy in nodal staging of non small cell lung cancer: a prospective comparison study

  EBUS-FNA Mediastinoscopy P value
Total samples of N2 nodes 128 157  
Sample of N2 nodes per patient 2.7 ± 1.6 2.2 ± 1.3 0.040
Sampling rate    
Right paratracheal 46.2% (n = 12) 88.5% (n = 23) 0.003
Left paratracheal 23.1% (n = 6) 65.4% (n = 17) 0.005
Subcarinal 96.2% (n = 25) 80.8% (n = 21) 0.191
Samples per station    
Right paratracheal 1.3 ± 0.3 2.1 ± 0.4 0.002
Left paratracheal 1.4 ± 0.3 1.6 ± 0.3 0.058
Subcarinal 1.8 ± 0.4 1.2 ± 0.2 0.007
Pathological N-staging*    
Negative N2/3 9 6  
N2 7 7  
N3 2 5  
  1. * n = 18 patients with confirmed NSCLC and both conclusive EBUS-FNA and TM findings.