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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.