Variable | N (%) |
---|---|
Boost approach | |
 SeqB | 103 (54.3) |
 SIB | 87 (45.7) |
SIB dose and fractionation | |
 PTV dose-tumor (Gy) | |
  54 Gy/30 fractions | 57 (65.5) |
  50.4 Gy/28 fractions | 30 (34.5) |
 PTV dose-positive nodes (Gy) (26 pts) | |
  50.4 Gy/30 fractions | 26 (100.0) |
 PTV dose-negative nodes (Gy) | |
  45 Gy/30 fractions | 53 (60.9) |
  42 Gy/28 fractions | 34 (39.1) |
SeqB dose and fractionation | |
 PTV dose-first sequence | |
  36 Gy/20 fractions | 103 (100) |
 PTV dose-sequential boost | |
  23,4 Gy/13 fractions | 103 (100) |
Chemotherapy regimens | |
  5-FU + MMC × 2 cycles | 159 (83.7) |
  5-FU + MMC × 1 cycle | 2 (1.0) |
  Capecitabine + MMC × 2 cycles | 26 (13.7) |
  Capecitabine + MMC × 1 cycle | 3 (1.6) |