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Table 1 Comparison of the calculated to the measured doses in 2, 3 and 4 cm depth of a RW3 slab phantom. All experiments were performed with a Trilogy linear accelerator irradiating a 6 MV, 15 × 15 cm2 field with 200 MU. The doses were measured on 71 points directly below the TTField arrays with a MapCheck2 2D diode detector array. The arithmetic average as well as the standard deviation of the doses at these 71 measure points are presented

From: Dosimetric impact of tumor treating field (TTField) transducer arrays onto treatment plans for glioblastomas – a planning study

  depth Without TTField arrays With TTField arrays Attenuation
Average (cGy) StdDev Average (cGy) StdDev
kV 2 cm 214.3 1.10 199.1 4.90 7.09%
3 cm 204.6 0.80 187.9 4.90 8.16%
4 cm 194.3 0.60 177.6 4.70 8.59%
MV 2 cm 214.4 0.80 211.9 1.20 1.17%
3 cm 204.6 0.60 199.5 1.20 2.49%
4 cm 194.8 0.50 189.9 1.20 2.52%
Phantom 2 cm 214.6 1.60 207.4 4.00 3.36%
3 cm 204.9 1.30 197.3 3.40 3.71%
4 cm 195.0 1.10 189.8 4.20 2.67%