Table 3 Multivariate analysis of overall survival and SP-Survival by Cox proportional hazards models

Age

0.681

0.656

 <=50

Ref

Ref

Ref

 50–70

0.575

1.211 (0.621–2.361)

0.360

1.357(0.707–2.604)

 > = 70

0.744

0.858 (0.344–2.140)

0.617

1.246(0.526–2.950)

Gender(male/female)

0.323

1.339 (0.750–2.392)

0.667

0.877(0.484–1.591)

Primary cancer

0.026*

0.315

 GI group

Ref

Ref

Ref

Ref

 Others

0.03

0.418 (0.190–0.920)

0.561

0.805(0.388–1.672)

 Unknown

0.033

0.423 (0.192–0.932)

0.134

0.566(0.268–1.192)

Ascites related

 Color

0.566

0.693

 Yellow

Ref

Ref

Ref

Ref

 Brown

0.291

1.571 (0.680–3.630)

0.543

0.779(0.348–1.742)

 Red

0.656

1.167 (0.591–2.304)

0.830

1.074(0.561–2.054)

 LDH (>200/<=200)

0.225

0.798 (0.442–2.350)

0.065

0.520(0.275–0.984)

Rivalta Test

0.077

0.745

 -

Ref

Ref

Ref

Ref

 +

0.067

0.258 (0.096–0.695)

0.453

1.418(0.570–3.530)

 ++ − +++

0.088

0.357 (0.141–0.902)

0.507

1.321(0.581–3.003)

 Gravity (>1.012/<=1.012)

0.260

0.706 (0.385–1.294)

0.159

0.649(0.356–1.185)

Volume removed

0.904

0.357

 <=3000 ml

Ref

Ref

Ref

Ref

 3000–5000 ml

0.701

1.161 (0.542–2.484)

0.873

0.939(0.433–2.035)

 > = 5000 ml

0.961

0.985 (0.537–1.806)

0.249

1.494(0.755–2.958)

 Serum albumin (<30 g/L/> = 30 g/L)

0.394

0.759 (0.402–1.432)

<0.001*

0.258(0.128–0.517)