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Table 2 Beam-on time and MU of each isocenter for energy and MU rate

From: Effect of changes in monitor unit rate and energy on dose rate of total marrow irradiation based on Linac volumetric arc therapy

Energy

(MV)

MU rate

(MU/min)

Isocenter

Total

PTV

Brain

Chest1

Chest2

Abdomen

Pelvic

Femur

Beam-on time (min)

Monitor Unit (MU)

6

40

8.6 ± 2.7

11.6 ± 1.9

10.5 ± 2.5

10.6 ± 2.6

11.2 ± 2.7

11.4 ± 3.7

63.9 ± 14.5

382.3 ± 109.6

483.8 ± 64.1

458.7 ± 86.2

455.8 ± 90.6

493.2 ± 97.1

524.3 ± 166.9

2798.1 ± 523.9

60

5.8 ± 1.8

7.9 ± 1.3

7.1 ± 1.7

7.1 ± 1.8

7.6 ± 1.8

7.7 ± 2.5

43.1 ± 9.7

372.2 ± 96.7

488.2 ± 66.2

464.5 ± 82.5

461.8 ± 89.2

499.5 ± 94.4

529.5 ± 161.9

2815.7 ± 505.8

80

4.4 ± 1.5

5.9 ± 1.0

5.3 ± 1.3

5.4 ± 1.4

5.7 ± 1.4

5.8 ± 1.9

32.5 ± 7.8

373.3 ± 108

492.8 ± 66.7

467.5 ± 90.2

464.2 ± 95.7

501.8 ± 97.6

533 ± 165.9

2832.6 ± 547.6

100

3.5 ± 1.1

4.7 ± 0.8

4.2 ± 1.0

4.3 ± 1.1

4.5 ± 1.1

4.6 ± 1.5

25.8 ± 5.8

373.8 ± 97.9

491.3 ± 64.4

463.8 ± 83.5

464.4 ± 89.4

499.2 ± 94.9

529.3 ± 163.5

2821.8 ± 512

300

1.3 ± 0.3

1.6 ± 0.3

1.4 ± 0.3

1.5 ± 0.3

1.6 ± 0.3

1.6 ± 0.5

8.9 ± 1.8

370.3 ± 97.9

489.8 ± 65.2

464.2 ± 83.7

462.3 ± 89.4

498.7 ± 94.5

529.8 ± 164.2

2815.1 ± 511.6

600

1.0 ± 0.0

1.0 ± 0.0

1.0 ± 0.0

1.0 ± 0.0

1.0 ± 0.1

1.1 ± 0.1

6.1 ± 0.3

371 ± 98

490.8 ± 64.5

465.2 ± 84.5

461.7 ± 89.6

492.3 ± 88.8

528.7 ± 162.7

2809.7 ± 508.7

10

40

8.0 ± 2.5

10.6 ± 1.8

9.6 ± 2.3

9.7 ± 2.5

10.4 ± 2.5

10.5 ± 3.3

58.8 ± 13.6

339.8 ± 93

441.5 ± 59.8

420.8 ± 77.3

419.8 ± 83.5

459.7 ± 92.4

478.2 ± 144.4

2559.8 ± 476.9

60

5.3 ± 1.7

7.1 ± 1.2

6.4 ± 1.6

6.5 ± 1.6

6.9 ± 1.6

7.0 ± 2.3

39.2 ± 9.1

338.4 ± 92.6

445.4 ± 59.2

423.3 ± 78.3

420 ± 83.6

455.8 ± 87.3

482.3 ± 148.3

2565.2 ± 479.4

80

4.0 ± 1.3

5.4 ± 0.9

4.8 ± 1.2

4.9 ± 1.2

5.2 ± 1.2

5.3 ± 1.7

29.4 ± 6.8

338.2 ± 92.4

446.8 ± 59.6

424.4 ± 78.2

421.2 ± 83.7

455.3 ± 86.3

483.8 ± 148.9

2569.7 ± 479.6

100

3.2 ± 1.0

4.3 ± 0.7

3.9 ± 0.9

3.9 ± 1.0

4.1 ± 1.0

4.2 ± 1.4

23.6 ± 5.4

337.4 ± 92.3

446.2 ± 59.4

423.5 ± 79

423.1 ± 83.4

454.8 ± 88.2

482.5 ± 149.3

2567.5 ± 480.1

300

1.2 ± 0.2

1.4 ± 0.2

1.3 ± 0.3

1.4 ± 0.3

1.4 ± 0.3

1.5 ± 0.4

8.2 ± 1.5

337.3 ± 92.5

446.8 ± 59.2

422.8 ± 78.8

421.5 ± 83.7

454.9 ± 87.3

483.3 ± 149.6

2566.6 ± 479.6

600

1.0 ± 0.0

1.0 ± 0.0

1.0 ± 0.0

1.0 ± 0.0

1.0 ± 0.1

1.0 ± 0.1

6.1 ± 0.2

336.5 ± 92.6

446.3 ± 59.4

422.6 ± 78.9

420.2 ± 83.5

453.2 ± 87.7

482.3 ± 147.2

2561.1 ± 479.8

15

40

7.6 ± 2.4

10.2 ± 1.7

9.2 ± 2.2

9.3 ± 2.3

9.8 ± 2.3

10.0 ± 3.3

56.1 ± 12.9

321.8 ± 89

424.8 ± 55.8

403.3 ± 75.8

399.8 ± 79.9

432.5 ± 83.4

459.5 ± 143.8

2441.7 ± 460.9

60

5.0 ± 1.6

6.8 ± 1.1

6.1 ± 1.5

6.2 ± 1.5

6.5 ± 1.5

6.7 ± 2.2

37.3 ± 8.5

323.3 ± 88.6

424.8 ± 54.8

402.3 ± 75.6

399.2 ± 78.1

433.2 ± 84.3

458.3 ± 142.1

2441.1 ± 453.8

80

3.8 ± 1.2

5.1 ± 0.8

4.6 ± 1.1

4.6 ± 1.2

4.9 ± 1.1

5.0 ± 1.6

28.0 ± 6.4

322.1 ± 88.2

422.1 ± 56.3

402.8 ± 75.1

397.2 ± 77.2

431.8 ± 85.2

459.3 ± 143.2

2435.3 ± 453.8

100

3.0 ± 0.9

4.1 ± 0.7

3.7 ± 0.9

3.7 ± 0.9

3.9 ± 0.9

4.0 ± 1.3

22.4 ± 5.1

321.2 ± 87.3

420.2 ± 56.1

401.7 ± 77.6

398.5 ± 79.5

431.2 ± 81.2

548.2 ± 144.5

2521 ± 453.8

300

1.2 ± 0.2

1.4 ± 0.2

1.3 ± 0.2

1.3 ± 0.2

1.4 ± 0.3

1.4 ± 0.4

7.9 ± 1.4

319.3 ± 88.6

425.3 ± 55.1

400.6 ± 76.1

399 ± 80.1

430.9 ± 83.3

457.3 ± 142.3

2432.4 ± 453.8

600

1.0 ± 0.0

1.0 ± 0.0

1.0 ± 0.0

1.0 ± 0.0

1.0 ± 0.1

1.0 ± 0.1

6.0 ± 0.2

320.5 ± 88.8

423.2 ± 55.9

401.1 ± 75.3

398.2 ± 77.2

431 ± 81.5

457.5 ± 143.9

2431.5 ± 454.2

P value

40

0.828

0.447

0.685

0.711

0.700

0.810

0.669

0.612

0.305

0.545

0.583

0.585

0.789

0.515

60

0.769

0.392

0.636

0.655

0.621

0.777

0.603

0.695

0.232

0.459

0.497

0.477

0.750

0.456

80

0.756

0.373

0.625

0.642

0.605

0.762

0.592

0.683

0.215

0.449

0.490

0.462

0.732

0.447

100

0.771

0.398

0.646

0.663

0.628

0.781

0.612

0.695

0.233

0.471

0.508

0.482

0.752

0.465

300

0.800

0.417

0.680

0.699

0.689

0.828

0.647

0.695

0.25

0.467

0.508

0.486

0.752

0.465

600

1.000

0.519

0.650

0.759

0.955

0.930

0.842

0.690

0.226

0.458

0.501

0.540

0.756

0.471