Table 4 Univariate Cox analysis of combined treatment in patients with primary angiosarcoma and secondary angiosarcoma

Surgery combined radiation

 Unknown

1

1

 Partial mastectomy + radiation

0.061

0.006–0.587

0.016

0.210

0.021–2.057

0.210

 Partial mastectomy

0.160

0.036–0.719

0.017

0.316

0.036–2.759

0.316

 Mastectomy + radiation

0.440

0.125–1.551

0.202

0.228

0.029–1.793

0.228

 Mastectomy

0.486

0.149–1.586

0.232

0.192

0.026–1.419

0.192

Surgery combined chemotherapy

 Unknow

1

1

 Partial mastectomy + chemotherapy

0.105

0.011–1.015

0.052

0.509

0.052–4.959

0.509

 Partial mastectomy

0.125

0.028–0.583

0.007

0.205

0.023–1.793

0.205

 Mastectomy + chemotherapy

0.412

0.120–1.416

0.159

0.186

0.024–1.439

0.186

 Mastectomy

0.511

0.156–1.677

0.268

0.198

0.027–1.463

0.198