Skip to main content

Table 3 The package of overall treatment time (POTT), interval between operation and post-operation radiotherapy (IBOR) and overall treatment time of radiation therapy (OTTRT) at the Far Eastern Memorial Hospital (FEMH) compared with selected published series

From: Image-guided intensity modulated radiotherapy with helical tomotherapy for postoperative treatment of high-risk oral cavity cancer

Selected published studies Factors Percentage Locoregional control Disease-free survival Overall survival
    (%) 2-year 3-year 5-year 2-year 3-year 5-year 2-year 3-year 5-year
University of Texas M. D. Anderson Cancer Center, USA [6] POTT <11 wks 64.2% 81% 78% 76%     64% 58% 48%
   >13 wks 10% 38% 38% 38%     25% 25% 25%
  IBOR ≤6 wks 54.7% 78% 78% 75%     68% 58% 48%
   >6 wks 45.3% 58% 50% 48%     50% 32% 25%
VU University Medical Center, Netherlands [7] POTT <11 wks 12%   86%        
   >13 wks 45%   71%        
  OTTRT ≤7 wks 31% 90-82% 85-75%   78-58% 72-49%   82-65% 74-55%  
   >8 wks 16% 56% 51%   42% 38%   53% 50%  
University of Florida, USA [20] POTT ≤101 days 63% 70% 70% 70%       
   >101 days 17% 50% 40% 30%       
  IBOR ≤51 days 57% 72% 72% 72%       
   >51 days 17% 56% 50% 40%       
University of Florida College of Medicine, USA [22] POTT <100 days   60%         
   >100 days   14%         
University of Texas M. D. Anderson Cancer Center, USA [2] IBOR ≤6 wks   77%         
   >6 wks   64%         
University Hospital, Avda, Spain [21] POTT ≤150 days     77%       
   >150 days     63%       
  IBOR ≤ 50 days     83%       
   >50days     68%       
  OTTRT ≤ 60 days     75%       
   >60 days     68%       
FEMH, Taiwan POTT ≤11 wks 42.1% 92%    84%    94%   
   >13 wks 21.1%          
  IBOR ≤6 wks 84.2%          
   >6 wks 15.8%          
  OTTRT ≤ 7 wks 78.9%          
   > 8 wks 5.2%          
  1. Abbreviation:
  2. POTT = Package of overall treatment time; IBOR = Interval between operation and post-operation radiotherapy; OTTRT = Overall treatment time of radiation.