Salvage surgery for patients with residual/persistent diseases after improper or insufficient treatment of oral squamous cell carcinoma: can we rectify these mistakes?

Table 5 Cox multivariate analysis of SS for patients with residual/persistent OSCCs

Parameter	p	HR^a	95.0% CI^a
Primary T stage	0.003	1.96	1.262	3.044
Size of residual OSCC^b	< 0.001
≤ 2 cm	< 0.001	0.112	0.035	0.357
2-4 cm	< 0.001	0.201	0.084	0.480
> 4 cm	0.006	0.328	0.149	0.723

ISSN: 1471-2407