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Table 1 Mean (standard deviation) of intrafraction prostate motion

From: Prostatic displacement during extreme hypofractionated radiotherapy using volumetric modulated arc therapy (VMAT)

  Right-left (mm) Superior-inferior (mm) Anterior-posterior (mm)
pHART7 and 8 30 patients (8Gy per fraction) VMAT 0.03 (1.23) 0.18 (1.55) 0.37 (1.95)
pHART6 25 patients (8Gy per fraction) IMRT 0.27 (1.26) 0.30 (1.46) 0.79 (1.99)
Previous Study* (7Gy per fraction) IMRT 0.03 (0.61) 0.21 (1.50) 0.86 (1.73)
Previous study** (2 Gy per fraction) 0.14 (0.92) 0.45 (1.27) 0.72 (1.80)
  1. *P. Cheung et al. Int. J. Radiation Oncology Biol. Phys., Vol. 62, pp. 418–425, 2005.
  2. **H. Quon et al. Clinical Oncology, Vol. 24, pp. 640-645, 2012.