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Table 1 Patient, tumor, and treatment characteristics

From: The effect of prone and supine treatment positions for the pre-operative treatment of rectal cancer on organ-at-risk sparing and setup reproducibility using volumetric modulated arc therapy

Characteristic

Prone

n = 8 (%)

Supine

n = 9 (%)

Median age, yrs. (range)

65 (40–86)

78 (47–86)

Sex

 M

 F

4 (50)

4 (50)

5 (56)

4 (44)

Tumour statusa

 T1–2

 T3

 T4

0 (0)

6 (75)

2 (25)

0 (0)

8 (89)

1 (11)

Node status

 Positive

 Negative

4 (50)

4 (50)

6 (67)

3 (33)

Radiation

 Preoperative

 Definitive

 RT dose

7 (88)

1 (12)

50.4 Gy in 28 (n = 7)

40 Gy in 15 (n = 1)

9 (100)

0 (0)

50.4 Gy in 28 (n = 8)

25 Gy in 5 (n = 1)

Concurrent chemotherapy

 Capecitabine

 None

7

1

8

1

  1. aClinical stage based on diagnostic MRI