Efficacy analysis of intraoperative radiotherapy in patients with early-stage breast cancer

Table 3 Univariate analysis of IORT

Risk factors	DFS		OS		Wound complications
Risk factors	χ²	P	χ²	P	χ²	P
Age	14.035	0.003	6.933	0.074	0.290	0.962
Diameter of tumor	0.216	0.642	0.008	0.930	0.010	0.921
Sentinel node state	0.089	0.765	0.072	0.788	0.063	0.801
Postoperative pathological type	0.099	0.549	0.952	0.832	1.066	0.587
ER state	0.226	0.635	0.363	0.547	0.663	0.416
PR state	1.385	0.429	0.512	0.731	0.013	0.908
Diameter of applicator	1.424	0.700	4.386	0.223	70.378	0.000
Histological WHO Grade	0.094	0.759	0.760	0.383	0.051	0.822
Chemotherapy regimen	1.784	0.626	2.601	0.457	2.202	0.532
Endocrine therapy regimen	2.118	0.548	1.660	0.646	3.379	0.337

IORT intraoperative radiotherapy, ER estrogen receptor, PR progesterone receptor, DFS disease-free survival, OS overall survival

ISSN: 1475-2867