A retrospective propensity score-matched analysis of oncological and functional outcomes of submental island flap versus radial forearm free flap for oral cavity cancer reconstruction

Table 3 Multivariate Cox proportional hazard regression model analysis based on reconstruction type and clinicopathological variables potentially affecting oncological outcomes

Variables	HR (95% CI)	p-value
Overall mortality
ECOG PS^a 2	6.74 (1.89–23.95)	0.003^b
Locoregional recurrence
N0	Reference
N1 N2 N3	1.38 (0.08–1.69) 1.25 (0.06–0.99) 1.85 (1.14–5.14)	0.203 0.826 0.048^b
Pathologically positive level I lymph nodes	3.52 (1.08–11.52)	0.038^b

^a Eastern Cooperative Oncology Group Performance Status; ^b Statistically significant

ISSN: 1472-6831