Table 4.

Multivariate analysis of disease free survival among patients with baseline BMI ≥ 23 kg/m² (N = 338)

		Adjusted HR (95 % CI)	p-value
Body weight change	Gain ≥ 5 kg	2.04 (1.02–4.08)	0.043
	Others	1
Angiolymphatic invasion	Present	2.61 (1.37–4.94)	0.003
	Absent	1
Perineural invasion	Present	2.51 (1.43–4.38)	0.001
	Absent	1
T stage	T 4	1.99 (1.05–3.76)	0.035
	T 1–3	1
N stage	N 2	2.34 (1.35–4.06)	0.002
	N 0–1	1

Abbreviations: HR hazard ratio, CI confidence interval