Table 3 Cox proportional hazards regression model for analyzing prognostic factors for ascites-free survival

Sex

1.239

0.741–2.070

0.414

Age

1.200

0.728–1.976

0.475

KPS

0.518

0.231–1.159

0.109

PCI

7.708

3.645–16.296

<0.0001

6.504

2.844–14.875

<0.0001

Degree of ascites

2.223

1.581–3.125

<0.0001

2.059

1.412–3.005

<0.0001

Distant metastasis

0.931

0.470–1.844

0.838

Site of primary

1.089

0.836–1.419

0.526

Targeted drug

1.036

0.590–1.819

0.901

HIPEC

0.433

0.256–0.732

0.002

0.328

0.191–0.562

<0.0001