Table 4.

Univariate analysis of disease-free survival (DFS).

Variables	HR	p	95%CI
Age
≥70	0.81	0.753	0.21–2.99
Sidedness
Left	1.18	0.769	0.37–3.74
KRAS
Mut	0.31	0.210	0.05–1.92
BRAF
Mut	1.33	0.814	0.11–15.06
BTK IHC ≥ 1% and intensity 1
Yes	0.71	0.601	0.20–2.48
BTK IHC ≥ 50% and intensity 2
Yes	1.83	0.953	0.52–4.65
BTK IHC ≥ 80% and intensity 3
Yes	1.18	0.005	1.75–22.79

Values in bold are statistically significant.