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Table 3 Factors associated with progression-free survival and overall survival

From: The comparison of pure uterine serous carcinoma and mixed tumor with serous component: a single-institution review of 91 cases

Variables

OS

Univariate analysisMultivariate analysis

PFS

Univariate analysis Multivariate analysis

Log Rank

P-value

HR,95%CI

P-value

Log Rank

P-value

HR,95%CI

P-value

Age of

diagnosis

<65, ≥ 65

2.961

0.085

--

--

3.966

0.046

--

--

Age of menopause

<50, ≥50

0.003

0.953

--

--

0.157

0.692

--

--

parity

<2, ≥2

0.691

0.406

--

--

0.163

0.686

--

--

ER

Positive,negative

0.731

0.393

--

--

0.148

0.701

--

--

PR

Positive,negative

3.263

0.071

--

--

8.890

0.003

--

--

Histological composition

Pure USC, mixed USC

0.420

0.517

--

--

4.474

0.034

--

--

CA-125

Normal, elveted

4.734

0.03

1.127

0.342–3.718

0.844

7.880

0.005

0.908

0.332–2.479

0.850

FIGO Stage

Early, advanced

14.618

<0.001

1.203

0.150–9.669

0.862

18.914

<0.001

1.378

0.287–6.632

0.689

Surgery

approach

Staged surgery, cytoreduction surgery

17.280

<0.001

2.676

1.061–6.751

0.037

31.125

<0.001

1.543

0.755–3.151

0.234

Myometrial invasion depth

<1/2, ≥ 1/2

16.703

<0.001

2.578

0.632–10.524

0.187

16.081

<0.001

3.440

1.146–10.352

0.028

Adjuvant treatment

CT,CT and RT

0.294

0.588

--

--

1.375

0.241

--

--

LVSI

Present, absent

23.838

<0.001

4.814

0.787–29.431

0.089

15.766

<0.001

0.994

0.279–3.537

0.993

Lymph nodes metastasis

Present, absent

27.693

<0.001

7.316

1.080-49.565

0.041

29.364

<0.001

3.374

0.790-14.406

0.101

Peritoneal

cytology

Present, absent

17.396

<0.001

0.737

0.193–2.822

0.656

23.514

<0.001

2.140

0.685–6.685

0.190

  1. OS: Overall survival;PFS: Progression-free survival; ER: Estrogen receptor; PR: Progesterone receptor; FIGO: International Federation of Gynecology and Obstetrics;LVSI: Lymph-vascular space invasion; CT: chemotherapy; RT: Radiotherapy; Bold values indicate significant P-value