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Table 4 Univariate and multivariate analyses of factors associated with RLN count ≥ 25

From: Impact of retrieved lymph node count on short-term complications in patients with gastric cancer

Characteristics

Univariate

Multivariate

OR

95% CI

P

OR

95% CI

P

Age ≥ 70

0.873

0.689–1.105

0.259

   

Gender

 Male

1.043

0.828–1.312

0.723

   

 Female

      

BMI (kg/m2)

0.972

0.944–1.002

0.064

   

Preoperative comorbidities

 Previous abdominal surgery

1.030

0.768–1.380

0.844

   

 Diabetes mellitus

0.960

0.670–1.375

0.822

   

 Hypertension

0.852

0.685–1.059

0.148

   

Preoperative laboratory data

 Serum albumin < 35 g/L

1.484

1.048–2.102

0.026

   

 CRP ≥ 10 g/L

1.195

0.827–1.726

0.343

   

ASA ≥ 3

0.892

0.725–1.098

0.282

   

Mode of surgical approach

 Laparoscopic

1.282

0.808–2.036

0.292

   

 Open

      

Type of resection

  

< 0.001

  

< 0.001

 Total gastrectomy

 

Reference

  

Reference

 

 Distal gastrectomy

0.649

0.522–0.807

< 0.001

0.716

0.572–0.896

0.004

 Proximal gastrectomy

0.334

0.231–0.485

< 0.001

0.357

0.245–0.519

< 0.001

Operation time

1.001

1.000–1.003

0.086

   

Blood loss

1.000

1.000–1.001

0.482

   

Tumor site

  

0.304

   

 Cardia/fundus

 

Reference

    

 Body

0.903

0.709–1.148

0.404

   

 Pylorus/antrum

1.119

0.869–1.442

0.382

   

Tumor invasion (T3–4)

1.613

1.310–1.987

< 0.001

1.299

1.010–1.670

0.042

Lymph node metastasis

1.585

1.286–1.952

< 0.001

1.304

1.018–1.669

0.035

pTNM stage (≥ III)

1.555

1.263–1.914

< 0.001

   

Lauren subtype

  

0.082

   

 Intestinal

 

Reference

    

 Diffuse

1.040

0.536–2.019

0.908

   

 Mixed

1.388

0.709–2.716

0.339

   

 Unknown

1.328

0.677–2.603

0.409

   
  1. BMI body mass index, CRP C-reactive protein, ASA American Society of Anesthesiologists, RLNs retrieved lymph nodes, OR odds ratio, CI confidence interval