Clinical Study

Implication of DNA Methylation Profiling in Oral Epithelium for Lung Cancer Screening

Table 1

Demographic and clinicopathological features of the patient and control groups.

CharacteristicsPatients ( )Controls ( )

Gender
 Male818
 Female814
Age
 Range58–8234–72
 Median6454
Histology
 Adenocarcinoma12
 Squamous cell carcinoma4
Pathological stage
 IA, IB13
 IIA, IIB3
Smoking history
 Current and former1117
 Never515