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Table 5 Partial volumes receiving specified doses (VD) to the swallowing structures in all patients and comparison to the data as reported by Feng et al 2007 21

From: Dysphagia in head and neck cancer patients following intensity modulated radiotherapy (IMRT)

 

PCs, median (range)

GSL, median (range)

eim, median (range)

 

V50 (%)

V60 (%)

V65 (%)

V70 (%)

V50 (%)

V60 (%)

V65 (%)

V70 (%)

V50 (%)

V60 (%)

V65 (%)

Current study

88.5 (10-100)

43.9 (0-94)

29 (0-60)

7.3 (0-40)

3.9 (1-100)

21.1 (0-98)

8.9 (0-94)

0 (0-67)

5.1 (0-100)

0 (0-87)

0 (0-84)

Feng et al[21]

90 (58-100)

73 (36-100)

57 (20-99)

NA

69 (1-100)

37 (0-100)

20 (0-100)

NA

14 (0-100)

0 (0-100)

0 (0-78)

  1. Abbreviations: PCs: pharyngeal constrictor muscles, GSL: glottic and supraglottic larynx, eim: muscular compartment of the esophagus inlet, NA: not assessed.