Prognostic Exploration of All-Cause Death in Gingival Squamous Cell Carcinoma: A Retrospective Analysis of 2076 Patients

Table 2

Selected variables by multivariate cox regression analysis.

Variable
	HR^a	95%CI	value
Age at diagnosis	1.023	1.0151–1.030	≤0.001
AJCC n (%)
I	Reference
II	2.252	1.6080–3.153	≤0.001
III	3.052	2.1259–4.381	≤0.001
IV	4.196	3.0982–5.684
ICD n (%)
8070	Reference
8071	1.108	0.9048–1.357	0.320955
8072	1.079	0.4794–2.427	0.85488
8074	4.49	1.9482–10.347	≤0.001
8075	3.26E-07	0.0000-inf	0.994676
8076	2.98E-06	0.0000-inf	0.991213
Chemotherapy n (%)
Yes
No
Radiotherapy n (%)
Yes	Reference
No	1.181	0.9742–1.432	0.1.
Surgery n (%)
Yes	Reference
No	3.489	2.8139–4.326	≤0.001
Grade
I	Reference
II	1.552	1.2456–1.934	≤0.001
III	1.592	1.2028–2.106	≤0.001
IV	1.909	0.4596–7.930	0.373468