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Table 3 Comparisons of dosimetric characteristics

From: Development of a semi-customized tongue displacement device using a 3D printer for head and neck IMRT

Parameters

SMP

SCTDD

p-value

Tonsil Cancer

P_GTV

D2% (Gy)

68.5 (68.3, 68.6)

68.3 (68.0, 68.4)

0.205

D98% (Gy)

65.7 (65.6, 65.7)

65.7 (65.6, 65.7)

0.750

D50% (Gy)

67.3 (67.2, 67.3)

67.1 (67.1, 67.2)

0.250

HI

0.042 (0.039, 0.043)

0.039 (0.034, 0.042)

0.250

P_CTV

D2% (Gy)

68.1 (68.0, 68.1)

67.9 (67.7, 67.9)

0.250

D98% (Gy)

59.5 (58.8, 59.8)

58.5 (58.4, 59.2)

0.250

D50% (Gy)

63.5 (63.3, 63.8)

63.0 (62.5, 63.6)

0.250

HI

0.136 (0.131, 0.144)

0.149 (0.136, 0.152)

0.250

Oral Cavity cancer

P_CTV

D2% (Gy)

62.2 (61.8, 62.3)

62.0 (61.7, 62.2)

0.125

D98% (Gy)

58.7 (58.6, 58.8)

58.7 (58.7, 58.8)

0.875

D50% (Gy)

60.9 (60.6, 61.0)

60.8 (60.6, 61.0)

0.375

HI

0.058 (0.050, 0.060)

0.054 (0.048, 0.058)

0.625

Parotid glands

Dmean (Gy)

15.3 (13.4, 15.7)

15.5 (13.1, 16.9)

0.578

P-cord

Dmax (Gy)

26.6 (24.7, 30.7)

27.1 (23.4, 30.5)

0.938

Brainstem

Dmax (Gy)

19.1 (15.0, 22.3)

21.3 (15.5, 23.4)

0.469

  1. Values are presented as median (IQR Q1, Q3)