Table 2 Univariate analysis of CR

Gender (Male)

0.667,1.390

0.838

Age(<60)

0.692,1.209

0.509

Primary tumor^a

0.025

 Hepatic cance

0.359,5.581

0.783

 Ovarian cancer

0.037,0.693

0.014

 Cervical cancer

0.232,2.373

0.488

 Colorectal cancer

0.104,2.192

0.342

 Other metastases^*

0.487,3.211

0.643

 Abnormal tumor Markers

1.022,2.185

0.054

Number^b

0.075

 1

0.070,1.616

0.173

 2

0.016,0.828

0.032

   3

Maximum diameter^c

<0.001

 ≤ 3 cm

0.008,0.545

0.012

 3-5 cm

0.072,10.382

0.910

 ≥ 5 cm

Chemo ≥10*

0.471,3.472

0.639

Previous Radio*

0.371,5.623

0.596

Postoperative metastasis

0.979,1.827

0.094

D90 ≥ 120Gy^#

0.629,1.648

0.943

Uniform density^#

1.497,3.870

<0.001

Necrosis^#

0.051,0.790

0.004

Regular morphology ^#

1.477,2.848

<0.001

Fusion^#

0.212,0.799

0.001

Clear boundaries^#

1.572,4.875

<0.001

Invasion of vessels visible on image^#

0.095,0.607

<0.001

Significant enhancement^#

0.393,0.966

0.013

 Anterior^# renal vein

0.138,0.942

0.034

 Posterior renal vein^#

OAR<3*

0.945,1.577

0.168

Patients’ position^e

0.772

 Supine

0.119,18.836

0.753

 Prone

0.090,12.418

0.966

 Puncture path^f

0.284

 Hepatic approach

0.767,8.590

0.126

 Abdominal wall

0.274,3.851

0.968

 Paravertebral approach