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Table 2 Logistic regression analysis of risk factors for LNM in training cohort

From: A predictive nomogram for lymph node metastasis of incidental gallbladder cancer: a SEER population-based study

Variable

Univariate snalysis

 

Multivariate analysis

 
 

Crude OR(95%CI)

P value

Ajusted OR(95%CI)

P value

Age

  ≤ 60

1.00(reference)

   

 >60

1.143 (0.777–1.682)

0.498

  

Gender

 Male

1.00(reference)

   

 Female

1.356 (0.922–1.995)

0.122

  

Race

  White

1.00(reference)

   

 Black

0.634 (0.364–1.106)

0.108

  

 Others

0.793 (0.483–1.302)

0.359

  

Histology

 Adenocarcinoma

1.00(reference)

   

 Squamous cell carcinoma

0.379 (0.081–1.770)

0.217

  

Grade

 Well differentiated

1.00(reference)

 

1.00(reference)

 

 Moderately differentiated

1.775 (1.073–2.935)

0.025

1.260 (0.730–2.177)

0.407

 Poorly/un- differentiated

3.192 (1.876–5.431)

< 0.001

2.110 (1.184–3.762)

0.011

T stage

 T1a

1.00(reference)

 

1.00(reference)

 

 T1b

2.027 (0.410–10.017)

0.386

1.595 (0.316–8.058)

0.572

 T2

15.31 (3.648–64.255)

< 0.001

11.104 (2.590–47.597)

< 0.001

Tumor size

  ≤ 1 cm

1.00(reference)

 

1.00(reference)

 

 >1 cm

4.536 (2.278–9.034)

< 0.001

3.628 (1.770–7.437)

< 0.001

  1. LNM lymph node metastasis; OR odds ratio; 95%CI 95% confidence interval