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

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

Parameter p HRa 95.0% CIa
Primary T stage 0.003 1.96 1.262 3.044
Size of residual OSCCb < 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
  1. aHR Hazard Ratio, CI Confidence Interval
  2. bThe analyses was based on the reference of minimal-residual group