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Table 2 Univariate and multivariate analysis for the rectum GIST patients

From: Survival outcome of local vs. radical excision in rectal gastrointestinal stromal tumor: a SEER database analysis

Characteristics

Univariate analysis

Multivariate analysis

HR

95% CI

p*

HR

95% CI

p**

Age

 ≤ 60

1

  

1

  

 > 60

2.9

1.5–5.4

0.001

2.6

1.4–5.0

0.003

Race

 White

1

     

 Black

0.8

0.4–2.0

0.704

   

 Other

0.8

0.4–1.6

0.517

   

Differentiation

 Well/moderately

1

  

1

  

 Poorly/undifferentiated

3.5

1.3–9.8

0.017

2.4

0.8–6.8

0.106

 Unknown

2.1

0.9–5.2

0.094

1.8

0.7–4.4

0.199

Tumor size, cm

 ≤ 3

1

     

 > 3

0.3

0.0–2.4

0.247

   

 Unknown

1.2

0.6–2.4

0.608

   

T classification

 T1–2

1

  

1

  

 T3–4

1.2

1.1–6.2

0.043

1.7

1.3–2.9

0.024

 Unknown

2.7

0.9–3.2

0.223

1.3

0.5–2.1

0.132

N classification

 N0

1

     

 N+/unknown

2.8

0.6–12.2

0.176

   

Regional LN surgery

 None

1

     

 Yes

1.8

0.8–4.1

0.193

   

 Unknown

1.6

0.7–3.7

0.237

   

Chemotherapy

 None

1

     

 Yes

0.8

0.5–1.1

0.170

   

Radiotherapy

 None

1

     

 Yes

0.7

0.3–1.1

0.184

   
  1. 95% CI 95% confidence interval, HR hazard ratio, LN lymph node
  2. *p < 0.1 was considered significant in univariate Cox-Regression analysis
  3. **p < 0.05 was considered significant in multivariate Cox-Regression analysis