Evaluation of Diabetic Patients with Breast Cancer Treated with Metformin during Adjuvant Radiotherapy

Table 3

Radiation dermatitis univariate analysis.

Predictor	𝑃 value
Age > 50 years	0.17
Surgery	0.48
Radiation field	0.03
Race	0.71
Breast	0.213
Smoker	0.84
CVD	1
Axillary dissection	1
Grade	0.079
T stage	1
ER§	1
PR	0.488
Her2¶	0.1
Adjuvant hormone therapy	1
Dose max (>110%)	0.11
Separation (>25 cm)	0.19

§Estrogen receptor, ¶human epidermal growth factor receptor-2.
CVD: collagen vascular disease, ER: estrogen receptor, and PR: progesterone receptor. Univariate analysis to evaluate possible confounding variables using Fisher’s exact test.
The bold numbers refer to numbers that are statistically significant (<.05) for the variable on the same line (listed on the left).