Genome-wide DNA methylation profiling reveals novel epigenetic signatures in squamous cell lung cancer

BMC Genomics

Table 1 Clinicopathological characteristics of patients for discovery and clinical validation cohorts

Clinical and pathological variables	Discovery cohort (N = 24)	Validation cohort (N = 56)
Age (years)
< 60	13	29
≥ 60	11	27
Gender
Male	22	54
Female	2	2
Smoking status
Smoker	19	48
Non-smoker	5	8
Clinical stage
I-II	14	28
III-IV	10	28
Differentiation
Well	0	8
Moderate	16	27
Poor	8	21
Lymph node metastasis
Yes	11	21
No	13	35

ISSN: 1471-2164