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Table 1 Collected planning parameters for the entire population of 395 collected QA deliveries

From: Analysis of clinical patient-specific pre-treatment quality assurance with the new helical tomotherapy platform, following the AAPM TG-218 report

  Average ± SD Range [min; max]
Dose/Fraction [cGy] 219.8 ± 62.6 [160.0; 500.0]
MF 1.68 ± 0.28 [1.10; 2.79]
Pitch 0.39 ± 0.06 [0.12; 0.48]
Gantry Period [s] 20.1 ± 7.3 [11.8; 52.8]
Total Treatment Time [s] 299.7 ± 141.0 [66.3; 1241.3]
TTDF [s/cGy] 1.41 ± 0.69 [0.36; 5.43]
min-LOT [ms] 18.2±1.1 [18.0; 36.4]
mean-LOT [ms] 236.3 ± 82.7 [57.8; 617.1]
max-LOT [ms] 391.4 ± 144.0 [123.2; 1034.2]
SD-LOT [ms] 107.9 ± 44.2 [21.1; 316.1]
Couch speed [mm/s] 0.56 ± 0.20 [0.11; 1.84]
Couch travel distance [mm] 160.2 ± 88.9 [31.1; 895.2]
FW (10 mm/25 mm/50 mm) 2.1%/92.0%/5.9%