Clinical Outcomes and Prognostic Factors of 695 Nasopharyngeal Carcinoma Patients Treated with Intensity-Modulated Radiotherapy

Table 3

Dose-volume statistics for organs at risk.

OAR	Parameters	Mean (range)
Brain stem		49.5 (45.6–54.7)
Spinal cord		37.4 (32.1–45.5)
Optical chiasm		45.8 (30.3–53.6)
Optical nerves
L		42.8 (26.9–48.9)
R		43.9 (33.6–53.5)
Parotid gland
L		31.7 (20.2–33.9)
R		32.1 (23.5–35.7)
Temporomandibular joints
L		40.4 (37.5–45.5)
R		39.1 (30.8–42.8)

OAR: organs at risk; : maximum point dose; : maximum dose to 1% volume.