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. Author manuscript; available in PMC: 2015 Dec 30.
Published in final edited form as: JAMA Surg. 2015 Aug;150(8):722–729. doi: 10.1001/jamasurg.2015.0313

Table 3.

Univariable Cox Proportional Hazard Analysis for Overall Survival According to KRAS Mutation in the Whole Cohort and Recurred Group

KRAS Univariate Analysis, Hazard Ratio (95% CI)
Whole Cohort P Value Recurred Group P Value
Wild type 1 [Reference] 1 [Reference]
G12D 1.14 (0.62–2.13) .67 1.78 (0.85–3.73) .13
G12V 1.78 (1.00–3.17) .05 2.96 (1.32–6.61) .01
G12A 0.86 (0.12–6.20) .88 NA NA
G12C 2.01 (0.74–5.46) .17 6.74 (2.05–22.2) .002
G12S 3.33 (1.22–9.10) .02 4.91 (1.52–15.8) .01
G13D 1.36 (0.75–2.47) .31 1.34 (0.67–2.70) .41

Abbreviation: NA, not applicable.