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Table 4 Local control rate and survival rate according to the staging

From: Multi-Institutional Analysis of Early Glottic Cancer from 2000 to 2005

  T1a T1b T2 p- value
5-year local control rate 87.9% 82.7% 74.1% T1a vs. T2 p = 0.016
T1b vs. T2 p = 0.187
5-year overall survival 85.9% 90.3% 86.7% N. S.
5-year cause-specific survival 100% 93.6% 93.5% T1a vs. T1b p = 0.013
T1a vs. T2 p = 0.006
  1. N. S. = not significant.