Table 3.

Multivariable Cox regression analysis of the seven-lncRNA risk score and other variables in GSE39582 data set

Variables	HR	95% CI of HR	P valuea
Seven-lncRNA risk score (N = 541)	2.14	1.783–2.568	< 0.001
Age	1.008	0.995–1.021	0.223
Gender	1.391	1.013–1.91	0.041
Adjuvant chemotherapy	1.522	1.091–2.124	0.013
Seven-lncRNA risk score (N = 536)	2.345	1.967–2.797	< 0.001
Age	0.996	0.984–1.008	0.469
Gender	1.35	0.99–1.842	0.058
KRAS mutation	0.691	0.509–0.938	0.018
Seven-lncRNA risk score (N = 511)	2.195	1.853–2.6	< 0.001
Age	0.999	0.987–1.012	0.911
Gender	1.184	0.869–1.613	0.285
MMR status	2.617	1.378–4.97	0.003

Abbreviations: HR hazard ratio, CI confidence interval, MMR mismatch repair

In Cox regression analyses, risk score was evaluated as continuous variables, all other variables were evaluated as category variables

^aP < 0.05 was considered statistically significant in all analyses