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Table 7 The study reports of late complications occurrence after conventional RT

From: Analysis of late toxicity in nasopharyngeal carcinoma patients treated with intensity modulated radiation therapy

  Xerostomia Ears Subcutaneous soft tissue Skin reaction Trismus Mandible Eyes Brain Spinal cord Cranial nerve
Sanguineti [5] 1954-92   ≥G3 2.6% ≥G3 4.2% ≥G3 1.1% ≥G3 2.9% ≥G3 2.6%   ≥G3 1.1% ≥G3 2.4% ≥G3 4.5%
N = 378
Perez [4] 1956-86    ≥G3 10%    ≥G3 2%   ≥G3 1%   
N = 143
Yeh [16] 1983-98 90.3% 54% 25%   12%    6% 21%  
N = 849 ≥G3 12.4%
Lee [24] 1994-97   ≥G3 8.0% ≥G3 6.5% ≥G3 0.3% ≥G3 0.9% ≥G3 0.6%     ≥G3 0.3%
N = 325
Sumitsawan [3] 2003-05 97.5% 82.5% 62.5% 56% 41.5%   5.5% 7.0%   6.5%
N = 200 ≥G3 2.5% ≥G3 36% ≥G3 4% ≥G3 1.5% ≥G3 3%   ≥G3 0.5% ≥G3 1.5%
Kong [2] 99.7% 67.0% 89.0% 81.2% 28.3% 0.6% 12.0% 1.2% 9.8% 31.8%
N = 336 ≥G3 23.5% ≥G3 22.0% ≥G3 23.6% ≥G3 16.4% ≥G3 3.3%  
This study N = 208 40.9% 67.8% 89.9% 47.6% 7.21% 0% 1.44% 4.80% 0% 2.88%
≥G3 0% ≥G3 0.96% ≥G3 1.9% ≥G3 0.48% ≥G3 0% ≥G3 0% ≥G3 0% ≥G3 0.48% ≥G3 0% ≥G3 0.96%