Integrating Biological Covariates into Gene Expression-Based Predictors of Radiation Sensitivity

Table 1

Terms used in linear modeling. The term () represents gene expression. The operator × represents an interaction term between two or more variables.

Terms	Terms
Intercept	×  tissueTypeBREAST
(gene expression)	×  tissueTypeCNS
tissueTypeBREAST	×  tissueTypeCOLON
tissueTypeCNS	×  tissueTypeLEUK
tissueTypeCOLON	×  tissueTypeMELAN
tissueTypeLEUK	×  tissueTypeNSCLC
tissueTypeMELAN	×  tissueTypeOVAR
tissueTypeNSCLC	×  tissueTypePROSTATE
tissueTypeOVAR	×  RASmut
tissueTypePROSTATE	×  p53mut
RASmut	tissueTypeBREAST × RASmut
p53mut	tissueTypeCOLON × RASmut
	tissueTypeMELAN × RASmut
	tissueTypeNSCLC × RASmut
	tissueTypeOVAR × RASmut
	×  tissueTypeBREAST × RASmut
	×  tissueTypeCOLON × RASmut