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Table 2 Fractionation method and radiation dose in each stage

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

  T1a T1b T2 Total
CF 118 51 60 229
median dose 68 Gy 68.2 Gy 70 Gy 70 Gy
(range) ( 60–74 Gy ) ( 60–70.4 Gy ) ( 64–82 Gy ) ( 60–82 Gy)
HF 1 12 11 24
median dose 76.8 Gy 76.8 Gy 76.8 Gy 76.8 Gy
(range) (76.8 Gy) ( 67.6-76.8 Gy ) (76.8 Gy ) (67.6-76.8 Gy)
AHF 0 0 5 5
median dose - - 72 Gy 72 Gy
(range) ( − ) ( − ) (60–72 Gy) (60–72 Gy)
CF + HF 2 0 4 6
median dose 68.8 Gy - 67.1 Gy 67.1 Gy
(range) (60.8-76.8 Gy) ( − ) ( 54.4-76 Gy ) (54.4-76.8 Gy)
CF + AHF 1 1 4 6
median dose 68 Gy 67 Gy 70 Gy 68.5 Gy
(range) ( 68 Gy ) ( 67 Gy ) ( 56.5-71 Gy ) (56.5-71 Gy)
Total 122 64 84 270
  1. CF = conventional fractionation ; HF = fractionation ; AHF = accelerated hyperfractionation.