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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