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Table 4 Surface epithelium status of margin specimens based on technique

From: CO2 laser versus cold steel margin analysis following endoscopic excision of glottic cancer

Technique Surface epithelium Total p-value
  Preserved Complete loss   
Steel 57 (64.0%) 32 (36.0%) 89 (100.0%) p = 0.76
Laser 58 (61.7%) 36 (38.3%) 94 (100.0%)