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Table 1 Tumor growth time* compared to 18 Gy in a sigle fraction

From: The in vivo study on the radiobiologic effect of prolonged delivery time to tumor control in C57BL mice implanted with Lewis lung cancer

Radiation schedule

TGT (days) ± SE

p value

Control

8.1 ± 0.6

<0.001

18 Gy as a single dose

19.9 ± 2.3

 

9 Gy× 2 fractions at 60 min intervals

14.0 ± 1.8

<0.001

2.57 Gy×7 at 10 min intervals

14.3 ± 1.8

<0.001

9 Gy× 2 fractions at 30 min intervals

17.7 ± 2.5

0.034

2.57 Gy×7 at 5 min intervals

17.7 ± 2.6

0.037

  1. * The tumor growth time (TGT) was defined as the time required for the initial tumor size to quadruple after treatment. Each date represents mean ± SE.