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Table 5 Survival analysis of patients with gastrointestinal stromal tumors, Taiwan, 1998-2008

From: The epidemiology of gastrointestinal stromal tumors in Taiwan, 1998–2008: a nation-wide cancer registry-based study

 

Univariable

Multivariable

Sex

HRa

95% CIa

P

HRa

95% CIa

P

Male

Referent

  

Referent

  

Female

0.61

0.54–0.69

<.0001

0.68

0.60–0.77

<.0001

Age, years

      

< 50

Referent

  

Referent

  

50 to <60

1.23

1.00–1.52

0.053

1.40

1.14–1.73

<.0001

60 to < 70

1.51

1.24–1.83

<.0001

1.74

1.44–2.12

<.0001

70 to < 80

2.73

2.27–3.27

<.0001

3.08

2.56–3.71

<.0001

> 80

4.58

3.64–5.75

<.0001

5.69

4.51–7.17

<.0001

Primary site

      

Stomach

Referent

  

Referent

  

Small intestine

1.27

1.11–1.44

0.0003

1.35

1.18–1.54

<.0001

Colon/rectum

1.05

0.82–1.34

0.6954

1.08

0.85–1.38

0.5164

Esophagus/othersb

2.65

2.14–3.27

<.0001

2.51

2.01–3.12

<.0001

Year of diagnosis

      

2005–2008

Referent

  

Referent

  

1998–2001

1.42

1.21–1.65

<.0001

1.67

1.42–1.97

<.0001

2002–2004

1.23

1.06–1.43

0.0056

1.25

1.08–1.46

0.0035

  1. aHazard ratio (HR) and 95% confidence interval (CI) were calculated based on Cox proportional hazards model.
  2. bOthers: retroperitoneum and unspecific sites.
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