Table 5 Univariate and multivariate analyses of risk factors for recurrence within 12 months after pancreatic resection with preoperative therapy

Preoperative CA19-9

 < 175.8

1.637

0.93–2.881

0.087

 ≥ 175.8

mGPS

0

1.475

0.982–2.216

0.061

1.2

Tumor size

 < 31

1.845

1.107–3.077

0.01

1.482

0.853–2.575

0.402

 ≥ 31

Complication

Yes

1.218

0.686–2.162

0.501

No

Resection margin

Positive

1.365

0.737–2.527

0.322

Negative

Peritoneal cytology

Positive

4.921

2.3–10.53

 < 0.001

2.77

1.172–6.548

0.02

Negative

N factor

0

1.805

1.278–2.548

 < 0.001

1.52

1.036–2.231

0.03

1.2

Adjuvant chemotherapy

No

3.266

1.399–7.624

0.006

2.509

1.00–6.292

0.049

Yes