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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.