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Table 2 Association between tumor site, nodal status, group stage and BP dose

From: Brachial plexus dose tolerance in head and neck cancer patients treated with sequential intensity modulated radiation therapy

Combined BP (n = 136) SITE (OC, OPhx, NPhx, Larynx, UNP, HPhx) N status (N0 – N3) Group stage (I-III vs. IV)
Mean dose 0.005 0.0002 0.037
Max dose 0.0002 0.002 0.17
V50cc 0.012 < .0001 0.049
V60cc 0.0003 < .0001 0.08
V70cc 0.002 < .0001 0.33
V75cc 0.19 0.08 0.039
D5 0.0005 0.0001 0.12
D10 < .0001 < .0001 0.026
D15 0.0006 < .0001 0.06
D20 0.003 < .0001 0.022
D25 0.22 < .0001 0.10
D30 0.002 < .0001 0.07
Ipsilateral BP (n = 68) SITE N status (N0 – N3) Group stage (I-III vs. IV)
Mean dose < .0001 < .0001 0.06
Max dose 0.038 0.021 0.20
V50cc 0.004 0.001 0.10
V60cc 0.019 < .0001 0.010
V70cc 0.53 < .0001 0.06
V75cc 0.53 0.001 0.28
D5 0.004 0.0004 0.11
D10 0.003 < .0001 0.007
D15 0.001 0.0006 0.08
D20 0.001 < .0001 0.021
D25 0.013 0.0003 0.14
D30 0.0004 0.0004 0.06
Contralateral BP (n = 68) SITE (OC, OPhx, NPhx, Larynx, UNP, HPhx) N status (N0 – N3) Group stage (I-III vs. IV)
Mean dose < .0001 0.004 0.045
Max dose < .0001 0.10 0.29
V50cc 0.003 0.006 0.041
V60cc < .0001 0.021 0.44
V70cc 0.15 0.20 0.66
V75cc 0.15 0.86 0.52
D5 < .0001 0.042 0.21
D10 < .0001 0.030 0.14
D15 0.0001 0.004 0.09
D20 < .0001 0.009 0.11
D25 < .0001 0.018 0.19
D30 < .0001 0.006 0.13
  1. OC = oral cavity, OPhx = oropharynx, NPhx = nasopharynx, UNP = unknown primary, HPhx = Hypopharynx.