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Table 4 Percent of brachial plexus receiving given dose in Gray (Gy)

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

Combined BP (n = 136)

Dmax (Gy)

D5% (Gy)

D10% (Gy)

D15% (Gy)

D20% (Gy)

D25% (Gy)

D30% (Gy)

Mean

66.54

63.85

62.46

60.17

59.48

58.23

56.91

Median

68.73

65.50

63.50

61.00

61.80

59.50

58.00

Maximum

78.74

78

77.5

77

76.50

76.00

75.5

Ipsilateral BP (n = 68)

Dmax (Gy)

D5% (Gy)

D10% (Gy)

D15% (Gy)

D20% (Gy)

D25% (Gy)

D30% (Gy)

Mean

71.31

68.70

67.37

64.98

63.53

62.52

60.90

Median

72.96

69.50

68.50

66.25

63.50

63.50

62.25

Maximum

78.74

78

77.5

77

76.50

76.00

75.5

Contralateral BP (n = 68)

Dmax (Gy)

D5% (Gy)

D10% (Gy)

D15% (Gy)

D20% (Gy)

D25% (Gy)

D30% (Gy)

Mean

61.77

59.07

57.78

55.60

55.03

53.87

53.04

Median

62.236

60.00

59.75

57.50

57.00

55.00

54.00

Maximum

76.16

75.00

74.40

74.00

73.90

73.50

73.00

  1. The dose delivered to a specified percent (5% or D5%, 10% or D10%, 15% or D15%, 20% or D20%, 25% or D25%, 30% or D30%) of BP in Gy was calculated for the mean, median and maximum doses to the combined, ipsilateral and contralateral BP.