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Table 2 The mean gamma pass rates (3%, 3 mm) of global volume and selected organs in 3D-ADV for the 20 NPC IMRT/VMAT plans (Std indicated the standard deviation)

From: Comparison of 3D anatomical dose verification and 2D phantom dose verification of IMRT/VMAT treatments for nasopharyngeal carcinoma

Cases Global PTVnx PTV1 PTV2 Brainstem Spinal cord Parotid gland-L Parotid gland-R
Mean pass rate ± Std. 99.75 ± 0.21 83.82 ± 16.98 90.68 ± 9.34 93.71 ± 6.22 96.93 ± 4.58 65.69 ± 20.54 97.33 ± 3.72 98.08 ± 2.29