Table 5.

Univariate analysis of overall survival (OS).

Variables	HR	p-Value	95%CI
Age
≥70	1.49	0.278	0.72–3.11
Sidedness
Left	0.95	0.910	0.46–1.96
KRAS
Mut	0.39	0.213	0.09–1.69
BRAF
Mut	7.59	0.099	0.68–84.41
BTK IHC ≥ 1% and intensity 1
Yes	0.61	0.190	0.30–1.26
BTK IHC ≥ 50% and intensity 2
Yes	0.89	0.843	0.31–2.58
BTK IHC ≥ 80% and intensity 3
Yes	2.54	0.025	1.12–5.76

Values in bold are statistically significant.