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Table 3 At each points, the secondary scattered dose measurements as percentage of prescription dose

From: Risk of second cancer from scattered radiation of intensity-modulated radiotherapies with lung cancer

ID Modality \ Distance 20 cm 35 cm 50 cm 65 cm 80 cm
1 IMRT 1.0282 0.2556 0.1517 0.0779 0.0522
±0.0064 ±0.0018 ±0.0049 ±0.0008 ±0.0003
Rapidarc 0.9218 0.2883 0.1164 0.0617 0.0406
±0.0089 ±0.0048 ±0.0014 ±0.0023 ±0.0003
Tomotherapy 0.2989 0.2087 0.1305 0.1054 0.0863
±0.0038 ±0.0007 ±0.0005 ±0.0015 ±0.0007
2 IMRT 0.8028 0.2107 0.0888 0.0572 0.0436
±0.0237 ±0.0060 ±0.0013 ±0.0026 ±0.0001
Rapidarc 0.6727 0.2132 0.0949 0.0530 0.0364
±0.0074 ±0.0023 ±0.0012 ±0.0007 ±0.0004
Tomotherapy 0.4626 0.2011 0.1196 0.0883 0.0780
±0.0036 ±0.0048 ±0.0016 ±0.0081 ±0.0002
3 IMRT 0.3038 0.0682 0.0449 0.0283 0.0205
±0.0040 ±0.0009 ±0.0002 ±0.0008 ±0.0003
Rapidarc 0.2312 0.0827 0.0480 0.0374 0.0297
   ±0.0032 ±0.0015 ±0.0008 ±0.0003 ±0.0001
  Tomotherapy 0.1634 0.0946 0.0623 0.0507 0.0438
±0.0022 ±0.0014 ±0.0004 ±0.0005 ±0.0011
4 IMRT 1.0168 0.2854 0.2034 0.0845 0.0516
±0.0355 ±0.0067 ±0.0013 ±0.0008 ±0.0007
Rapidarc 0.8301 0.2491 0.1071 0.0582 0.0402
±0.0037 ±0.0039 ±0.0046 ±0.0003 ±0.0008
Tomotherapy 0.3453 0.1828 0.1128 0.1920 0.0769
±0.0063 ±0.0021 ±0.0011 ±0.0023 ±0.0010
5 IMRT 2.0248 0.6576 0.5496 0.2158 0.0280
±0.0323 ±0.0456 ±0.0040 ±0.0019 ±0.0020
Rapidarc 1.3508 0.4202 0.1727 0.0932 0.0635
±0.0163 ±0.0074 ±0.0032 ±0.0044 ±0.0005
Tomotherapy 0.4185 0.2179 0.1312 0.1032 0.0850
   ±0.0058 ±0.0097 ±0.0007 ±0.0014 ±0.0008