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Table 2 Relationship between the presence of DTCs as detected by IMS and clinicopathological variables (N = 119 a)

From: Detection of disseminated tumor cells in lymph nodes from patients with early stage non-small cell lung cancer

Parameter   Nb %b p-value
Gender male 28 44  
  female 19 35 0.36
Age at surgery < 65 years 22 46  
  > 65 years 25 35 0.26
Histology ADC 26 38  
  SCC 19 40  
  LCC 2 50 0.89
pTNM I 26 34  
  II 13 45  
  III 7 78  
  IV 1 25 0.12
pT pT1 20 51  
  pT2 19 33  
  pT3 8 38  
  pT4 0 0 0.15
pN pN 0 33 32  
  pN I 9 82  
  pN II 5 83 < 0.001
Tumor size (cm) ≤ 3.0 cm 26 47  
  ≥ 3.1 cm 21 33 0.13
Tobacco Never smoker 2 33  
  Former smoker 20 47  
  Current smoker 25 36 0.54
  1. aNine patients excluded from analysis due to uncertain lymph node station
  2. bThe number and percentage of positive samples are shown