From: Cytokine levels as biomarkers of radiation fibrosis in patients treated with breast radiotherapy
Cases N = 26 (%) | Controls N = 44 (%) | Total N = 70 (%) | Comparison of cases & controls p-value | |
---|---|---|---|---|
Age when blood sample taken | 66.3 (9.4) | 65.5 (7.0) | 65.8 (7.9) | 0.7202 |
(years): Mean (SD) | ||||
Time since radiotherapy | 10.2 (1.2) | 9.8 (0.8) | 9.9 (0.9) | 0.1432 |
(years): Mean (SD) | ||||
Radiotherapy schedule | 0.141 | |||
50 Gy in 25Fr | 10 (38.5) | 9 (20.4) | 19 (27.1) | |
41.6 Gy in 13Fr | 11 (42.3) | 18 (40.9) | 29 (41.4) | |
39 Gy in 13Fr | 5 (19.2) | 17 (38.6) | 22 (31.4) | |
Tumour bed boost | 0.6643 | |||
No | 3 (11.5) | 3 (6.8) | 6 (13.6) | |
Yes | 23 (88.5) | 41 (93.2) | 64 (91.4) | |
Lymphatic radiotherapy | 0.7513,4 | |||
None | 21 (80.8) | 37 (84.1) | 58 (82.9) | |
Axilla only | 0 (0) | 0 (0) | 0 (0) | |
SCF only | 5 (19.2) | 6 (13.6) | 11 (15.7) | |
Axilla and SCF | 0 (0) | 1 (2.3) | 1 (1.4) | |
Adjuvant chemotherapy | 0.861 | |||
No | 17 (65.4) | 31 (70.4) | 48 (65.6) | |
Yes | 9 (34.6) | 13 (29.5) | 22 (31.4) | |
Tamoxifen | 0.4683 | |||
No | 2 (7.7) | 7 (15.9) | 9 (12.9) | |
Yes | 24 (92.3) | 37 (84.1) | 61 (87.1) |