Table 2 Surviving fraction (SF) at tested radiation and bleomycin doses

Radiation _(Gy)

SF _{TTFields + RT}

SF_TTFields × SF_RT

Radiosensitization effect

 2

0.292

0.363

Synergism

 4

0.169

0.273

Synergism

 6

0.061

0.154

Synergism

 8

0.021

0.107

Synergism

Radiation _(Gy)

SF _{TTFields + RT}

SF_TTFields × SF_RT

Radiosensitization effect

 2

0.025

0.054

Synergism

 4

0.005

0.013

Synergism

 6

0.001

0.004

Synergism

 8

0.000

0.001

Synergism

Bleomycin _[μg/ml]

SF _{TTFields + Bleomycin}

SF_TTFields × SF_Bleomycin

Chemosensitization effect

 0.4

0.433

0.591

Synergism

 1.5

0.500

0.606

Synergism

 6.25

0.410

0.555

Synergism

 25

0.255

0.411

Synergism

 100

0.105

0.277

Synergism