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Table 4 Univariate analysis of skin toxicity according to CTCAE

From: Symptom palliation of hypofractionated radiotherapy for patients with incurable inflammatory breast cancer

Variables

HR

95% CI

p value

Age (< 65 years vs. ≥65 years)

0.76

0.04–3.21

0.49

Previous CTx or HTx history (Yes vs. No)

1.21

0.43–4.24

0.55

RT fraction size (2.5 Gy vs. > 2.5 Gy)

0.89

0.01–2.05

0.18

Prescription dose (< 80 Gy4 vs. ≥80 Gy4)

0.92

0.31–6.17

0.25

RT field (breast mass vs. breast + SCL)

0.86

0.01–5.45

0.04

CRP increase during the RT period (Yes vs. No)

2.52

1.01–8.92

0.03

  1. HR hazard ratio, CI confidential interval, CTx chemotherapy, HTx hormone therapy, RT radiotherapy, Gy4 biologically effective dose of alpha/beta ratio 4, SCL supraclaviculr lymph node, CRP C-reactive protein