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Table 3 The selected clinical variables information of the TCGA HNSCC

From: Overlapping group screening for detection of gene-environment interactions with application to TCGA high-dimensional survival genomic data

Variable

Coding

Missing status

Continuous(EC) /discrete(ED)

AJCC pathologic nodes

n0 = 0, n1 = 1, (n2, n2a, n2b, n2c) = 2, n3 = 3, nx = 4

YES

ED

AJCC pathologic tumor

t0 = 0, t1 = 1, t2 = 2, t3 = 3, (t4, t4a, t4b) = 4, tx = 5

YES

ED

age

 

No

EC

gender

female = 0, male = 1

No

ED

ICD O3 site

(C00.9, C01.9, C02.1, C02.9) = 0, (C03.0, C03.1, C03.9, C04.0, C04.9) = 1, (C05.0, C05.9 C06.0, C06.2, C06.9) = 2, (C09.9, C10.3, C10.9) = 3, (C13.9, C14.8) = 4, and 5 for others

No

ED