. 2017 Dec 28;15(3):3161–3166. doi: 10.3892/ol.2017.7709

Table IV.

Analysis of overall survival according to KRAS codon 12 mutations by Cox regression analysis.

Nucleotide	Amino acid	Total number	Hazard ratio (95% confidence interval)	P-value
Wild-type		74	Ref.
c.35G>A	G12D	13	2.313 (1.069–5.004)	0.03^a
c.35G>T	G12V	10	2.621 (1.057–6.497)	0.04^a
c.35G>C	G12A	2	3.308 (0.432–25.358)	0.25
c.34G>T	G12C	2	3.991 (0.928–17.165)	0.06^a

P<0.05.