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Table 5 Delivery time and MU/fr used in HT and SaS-IMRT plans

From: Helical tomotherapy for single and multiple liver tumours

  Group 1-single tumour group Group 2-multiple tumours group
  HT SaS-IMRT HT SaS-IMRT
  DT (min) MU/fr DT (min) MU/fr DT (min) MU/fr DT (min) MU/fr
Mean ± SD 4.4 ± 1.4 5135 ± 1678 3.3 ± 1.4 343 ± 120 4.7 ± 0.8 5529 ± 960 6.2 ± 1.4 461 ± 242
(range) (2.9-6.3) (3461-7404) (1.9-5.2) (227-577) (3.3-5.7) (3904-6704) (4.8-8.8) (148-698)
  1. Abbreviation: HT: Helical tomotherapy; SaS-IMRT: Step-and-shoot intensity-modulated radiotherapy; DT: delivery time; MU/fr: Monitor units used per fraction; Patient setup time was not included.