Clinical Characteristics and Survival Outcomes for Non-Small-Cell Lung Cancer Patients with Epidermal Growth Factor Receptor Double Mutations

Table 3

Clinical variables and EGFR mutations associated with progression-free survival: multivariate analysis.

Variable	HR (hazard ratio)	95% CI
Mutation types (19Del + L858R/L858R + T790M)	0.422	0.082–2.182	0.303
Mutation types (19Del + T790M/L858R + T790M)	0.146	0.028–0.759	0.022
Mutation types (19Del + L858R/19Del + T790M)	0.347	0.070–1.719	0.195
Smoking (smoking/no smoking)	1.658	0.394–6.988	0.491
ECOG PS (0-1/2)	1.866	0.531–6.556	0.330
Gender (male/female)	1.015	0.275–3.749	0.982