Novel image markers for non-small cell lung cancer classification and survival prediction

BMC Bioinformatics

Table 6 (TCGA NSCLC testing data n = 57) Multivariate cox proportional analysis of all clinical covariates and image feature related risk score

Variable	p-value	Hazard Ratio	SE (coef)
Risk score	0.0049	4.99	0.571
Age	0.1600	0.94	0.037
NSCLC subtype	0.0076	0.11	0.832
Smoking history	0.6530	0.72	0.741
Gender	0.4000	0.53	0.739
Tumor stage II	0.6000	1.64	0.930
Tumor stage III & IV	0.0090	0.04	1.160

Smoking history is a continuous variable representing years of smoking history. Gender is a binary variable (0 for male and 1 for female). Cancer type is also a binary variable (0 for squamous cell carcinoma and 1 for adenocarcinoma). Tumor stage is a three level categorical variable (stage I is treated as the reference group).

ISSN: 1471-2105