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Table 4 Results of univariable and multivariable regression for pancreatic cancer after surgery of CP

From: Risk of pancreatic cancer in patients undergoing surgery for chronic pancreatitis

Variables

Univariate analysis

Multivariate analysis

HR (95%CI)

P

HR (95%CI)

P

Sex

    

Male

0.811(0.219–2.997)

0.753

  

Female

1.0

   

Age, (yrs)

  ≤ 50

1

0.386

  

 >50

0.561 (0.152–2.072)

   

Time interval to surgery, (mons)

1.005 (1.002–1.008)

0.002

1.005(1.002–1.008)

0.002

Etiology

 

0.995

  

 Alcoholic

0.942(0.299–2.971)

0.919

  

 Idiopathic

1

   

 Hereditary

0.000

0.985

  

Smoking

 

0.222

  

 past

1.215 (0.110–13.401)

0.874

  

 current

3.378 (0.730–15.642)

0.119

  

 never

1

   

Alcohol consumption

 

0.719

  

 past

2.761(0.238–32.048)

0.417

  

 current

1.383(0.299–6.402)

0.678

  

 never

1

   

Preoperative pain

 Yes

1.081 (0.139–8.381)

0.941

  

 No

1

   

Preoperative steatorrhea

 Yes

1.044 (0.228–4.782)

0.958

  

 No

1

   

Preoperative diabetes

 Yes

0.851 (0.255–2.840)

0.793

  

 No

1

   

Operating time, min

  ≤ 180

1

0.803

  

  > 180

1.165 (0.351–3.874)

   

Blood loss, ml

  ≤ 200

1

0.390

  

  > 200

1.694(0.509–5.641)

   

Blood transfusion

 Yes

1.864(0.240–14.471)

0.552

  

 No

1

   

Type of surgery

 PD

0.000

0.986

  

 DPPHR

6.671 (0.852–52.242)

0.71

  

 DP

2.857 (0.179–45.694)

0.458

  

 Partington procedure

1

   

Pancreatic fistula

 Yes

0.48 (0.000–7,203,834.567)

0.752

  

 No

1

   

Hemorrhage

 Yes

0.049(0.000–71,526,595.29)

0.779

  

 No

1

   

Biliary fistula

 Yes

0.50 (0.000–2.309E+ 26)

0.926

  

 No

1

   

Complications (greater than grade ≥ 2)

 Yes

5.338 (0.687–41.512)

0.109

  

 No

1

   

Hospital stay after operation, (days)

  ≤ 7

1

   

  > 7

0.803 (0.252–2.556)

0.710

  

Postoperative abdominal pain

 Yes

2.457 (0.792–7.619)

0.120

  

 No

1

   

De novo pain

 Yes

0.49 (0.000–6.085E+ 10)

0.832

  

 No

1

   

Worsening pain

   

0.358

 Yes

5.606 (0.721–43.560)

0.099

  

 No

1

   

Total postoperative endocrine insufficiency

   

0.579

 Yes

2.949 (0.883–9.851)

0.079

  

 No

1

   

De novo endocrine insufficiency

  

10.672 (2.567–44.372)

0.001

 Yes

13.106 (3.944–43.552)

0.000

  

 No

1

   

Total postoperative exocrine insufficiency

 Yes

1.121 (0.303–4.144)

0.864

  

 No

1

   

De novo exocrine insufficiency

 Yes

1.242 (0.159–9.681)

0.836

  

 No

1

   

Give up smoking

 Yes

2.623 (0.790–8.714)

0.115

  

 No

1

   

Give up drinking

 Yes

2.009 (0.637–6.340)

0.234

  

 No

1

   
  1. HR Hazard ratio, CI Confidence interval, PD pancreaticoduodenectomy, DPPHR, duodenum-preserving pancreatic head resection, DP, distal pancreatectomy