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Table 1 Characteristics of the 36 patients with qualified bisulfite sequencing data for matched TUM, ADJ and DIS samples

From: Comparison of tumor and two types of paratumoral tissues highlighted epigenetic regulation of transcription during field cancerization in non-small cell lung cancer

Characteristic No. of patients (%)
Age, years (Median [Range]) 58.6 [30–73]
Sex
 Male 19 (52.8)
 Female 17 (47.2)
Smoking status
 Never 16 (44.4)
 Former 6 (16.7)
 Current 14 (38.9)
Tumor size (cm2)
  < 5 10 (27.8)
 5–9 12 (33.3)
 10–20 11 (30.6)
  > 20 3 (8.3)
Histology
 ADC 18 (50.0)
 SCC 7 (19.4)
 Others 11 (30.6)
T stage
 T1 12 (33.3)
 T2 11 (30.6)
 T3 6 (16.7)
 T4 6 (16.7)
 Unknown 1 (2.8)
N stage
 N0 22 (61.1)
 N1 10 (27.8)
 N2 3 (8.3)
 Unknown 1 (2.8)
  1. The 52 enrolled patients underwent exclusion by tumor cell fraction within their TUM, ADJ, and DIS samples, and 36 were eligible for subsequent analyses. ADJ—tumor-adjacent normal tissue. DIS—tumor-distant normal tissue. TUM—surgically-resected tumor