Table 2 Univariate analysis of influencing factors of CSPO operation time

Age (》 65 years)

2.105

0.706~6.280

0.182

1.75

0.571~5.360

0.327

Gender (male)

0.727

0.280~1.887

0.513

1

0.375~2.664

1

BMI (》 25 Kg/m²)

1.203

0.431~3.356

0.724

1.203

0.431~3.356

0.724

Previous abdominal surgical history (yes)

0.357

0.098~1.300

0.118

2.653

0.294–23.922

0.385

 2 ≦

1

1

 2 < *< 4

0.197

0.049~0.790

0.022

0.064–1.425

0.13

 ≧ 4

0.46

0.159~1.328

0.151

0.105–0.867

0.026

 2 ≦

1

1

 2 < * < 4

1.591

0.395~6.407

0.514

1.909

0.563–6.477

0.3

 ≧ 4

0.625

0.181~2.155

0.457

1.455

0.454–4.655

0.528

ASA classification

2.57

0.812~8.132

0.108

1.123

0.353–3.567

0.845

Neoadjuvant therapy (yes)

4.6

1.4~15.117

0.012

1.6

0.610–4.139

0.339

CE (》 5 ng/ml)

1.395

0.440~4.424

0.572

1.395

0.440–4.424

0.572

CA19-9 (》 37 U/ml)

0.308

0.048~1.964

0.213

0.481

0.064–3.614

0.477

 T0

1

1

 T1

1.436

0.00~2.176

0.999

1.974

0–2.324

0.999

 T2

1

0.260~3.845

1

2.2

0.54–8.957

0.27

 T3

2.424

0.747~7.862

0.14

3.333

1.088–10.211

0.035

 N0

1

1

 N1

1.119

0.096~13.032

0.928

0

0–2.221

0.999

 N2

0.615

0.034~7.452

0.615

0

0–2.324

0.999

 0

1

1

 I

1.615

0~2.157

0.999

1.615

0–2.221

0.999

 II

2.059

0.577~7.341

0.266

2.5

0.688–9.084

0.164

 III

1.75

0.329~9.298

0.511

1

0.214–4.674

1