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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.