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Table 2 Treatment characteristics

From: Long-term cancer survivors treated with multiple courses of repeat radiation therapy

Parameter

Data (n = 660 RT courses; n = 112 pts)

Number of RT courses, median (range)

5 (5–10)

Number of RT courses per patient

 5, n = patients (% of total patients)

60 (53.6)

 6, n = patients (% of total patients)

25 (22.3)

 7, n = patients (% of total patients)

14 (12.5)

 8, n = patients (% of total patients)

8 (7.1)

 9, n = patients (% of total patients)

3 (2.7)

 10, n = patients (% of total patients)

2 (1.8)

Treatment duration in days, median (range)

14 (1–97)

Interval (years) between first and last radiotherapy course, median (range)

3 (0–8)

Number of radiotherapy fractions, median (range)

6 (1–35)

Dose per fraction in Gray, median (range)

4 (1.8–20)

Total dose in Gray, median (range)

30 (3–70)

Treatment intent

 Curative, n (%)

147 (22.3)

 Palliative, n (%)

513 (77.7)

Treatment site

 Bone, n (%)

265 (40.1)

 Brain, n (%)

214 (32.4)

 Lung, n (%)

71 (10.1)

 Primary, n (%)

36 (5.4)

 Lymph nodes, n (%)

29 (4.4)

 Liver, n (%)

16 (2.4)

 Soft tissue, n (%)

13 (2.0)

 Adrenals, n (%)

9 (1.4)

 Other, n (%)a

7 (1.1)

  1. Pts patients, RT radiation therapy
  2. aIncludes mediastinum, kidneys, thyroid and pleura