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Table 4 Comparison of dosimetric parameters for total and functional lung between anatomic and functional plan for the same beam setups

From: Optimal beam arrangement for pulmonary ventilation image-guided intensity-modulated radiotherapy for lung cancer

Beam setup

 

Total lung

Functional lung

 

Plan

TLV5

TLV10

TLV20

TLV30

FLV5

FLV10

FLV20

FLV30

FESB

Anatomic plan

61.7±12.9

46.7±11.4

30.7±5.3

21.2±5.3

54.2±21.7

42.5±22.1

26.3±20.7

17.0±12.6

 

Functional plan

60.3±12.8

43.5±11.3

29.1±6.7

20.9±5.6

52.4±20.7

37.1±12.2

21.1±5.8

16.7±6.8

 

P value

0.002

0.001

0.051

0.232

0.005

0.029

0.018

0.911

FMOB

Anatomic plan

35.0±12.5

29.1±9.8

23.3±7.1

20.1±6.4

30.2±18.5

24.1±11.5

17.8±7.5

16.2±7.0

 

Functional plan

33.3±10.1

27.6±8.5

23.3±6.9

20.1±6.1

29.2±18.3

23.0±14.8

16.7±9.7

14.7±9.5

 

P value

0.395

0.226

0.945

0.904

0.757

0.575

0.234

0.258

  1. Abbreviations: TLVx Percentage of volume of total lung receiving > x Gy, FLVx Percentage of volume of functional lung receiving > x Gy, FESB Five equally-spaced beams, FMOB Five manually optimized beams, Data presented as mean±standard deviation.