Table 1 The detailed tumor volumes of the four groups

Group 1

325.6 ± 25.3

477.7 ± 35.8

755.9 ± 56.3

910.3 ± 54.3

1051.1 ± 48.7

302.4

0.001

Group 2

325.6 ± 21.3

408.1 ± 34.5

614.0 ± 43.2

693.0 ± 50.6

818.0 ± 42.1

183.7

0.001

Group 3

321.4 ± 30.7

437.6 ± 29.9

489.0 ± 46.8

588.4 ± 31.3

622.4 ± 28.3

88.1

0.001

Group 4

307.9 ± 27.2

385.4 ± 23.9

403.1 ± 48.8

373.9 ± 69.6

351.4 ± 36.6

4.783

0.004