Table 2 Patient dose factors.

From: Using machine learning algorithm to analyse the hypothyroidism complications caused by radiotherapy in patients with head and neck cancer

Factors

highTSH = 0 (n = 105)

highTSH = 1 (n = 32)

Dose (Gy)

 Mean (range)

63.44 (54–70)

64.25 (60–70)

Volume (mL)

 Mean (range)

15.41 (4.3–48.8)

9.89 (1.8–22.4)

DMean (Gy)

 Mean (range)

55.04 (0.67–67.15)

61.24 (54.85–71.51)

V10 (%)

 Mean (range)

95.62 (0–100)

100 (100–100)

V20 (%)

 Mean (range)

95.36 (0–100)

100 (100–100)

V30 (%)

 Mean (range)

94.20 (0–100)

100 (99.97–100)

V40 (%)

Mean (range)

93.58 (0–100)

99.99 (90.54–100)

V50 (%)

 Mean (range)

88.61 (0–100)

98.87 (90.54–100)

V60 (%)

 Mean (range)

31.76 (0–99.99)

54.72 (0–100)

DMax (Gy)

 Mean (range)

65.8 (3.03–77.28)

68.51 (59.92–76.97)

  1. highTSH high thyrotropin, Vx relative volume of organs receiving X doses, X = 10, 20, 30, 40, 50, 60.
Back to article page