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Table 3 Cox regression analysis for possible prognostic factors after PSM

From: Medium-term oncological outcomes of totally laparoscopic colectomy with intracorporeal anastomosis for right-sided and left-sided colon cancer: propensity score matching analysis

 

Hazard ratio

95%CI

P value

Sex

   

 Male

1

  

 Female

0.86

0.64–1.18

0.35

Age (years)

   

 ≤ 65

1

  

 > 65

1.04

0.75–1.50

0.82

BMI (kg/m2)

   

 ≤ 25

1

  

 > 25

1.32

0.92–1.90

0.13

Tumor location

   

 Right-side colon

1

  

 Left-side colon

1.22

0.89–1.68

0.21

Anastomosis

   

 Extracorporeal

1

  

 Intracorporeal

0.80

0.59–1.10

0.80

T stage

   

 T1–2

1

  

 T3–4

1.14

0.82–1.58

0.42

LN metastasis

   

 No

1

  

 Yes

1.23

0.87–1.74

0.24

Adjuvant chemotherapy

   

 No

1

  

 Yes

1.13

0.76–1.68

0.55

  1. PSM propensity score matching, CI confidence interval, BMI body mass index, LN lymph-node
  2. TNM stage is classified by UICC-7 staging
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