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Table 4 One and 5-year observed overall survival rates 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

Location 1998-2008
  1-year survival 5-year survival
  Overall Male Female Pvaluea Overall Male Female Pvaluea
All sites 88.0% 86.0% 90.6% <.0001 66.5% 60.3% 74.2% <.0001
Stomach 90.1% 87.7% 92.8% <.0001 69.4% 62.1% 77.5% <.0001
Small intestine 88.1% 86.5% 90.3% 0.0009 65.1% 60.7% 71.3% 0.0008
Colon/rectum 87.7% 89.5% 85.6% 0.1666 72.4% 66.6% 78.7% 0.0732
Esophagus/othersb 71.3% 66.4% 77.8% 0.1321 43.4% 36.8% 51.9% 0.0897
  1998-2001
All sites 81.8% 78.5% 86.4% <.0001 58.9% 52.7% 67.4% <.0001
Stomach 85.1% 80.4% 90.9% 0.0010 61.4% 53.3% 71.3% 0.0006
Small intestine 77.6% 75.5% 80.9% 0.0336 55.3% 52.5% 59.6% 0.0368
Colon/rectum 80% 80% 80% 0.1118 60% 50% 75% 0.0519
Esophagus/othersb 60% 75% -- -- 40% 50% -- --
  2002-2004
All sites 90.0% 87.5% 92.9% <.0001 67.0% 59.7% 76.0% <.0001
Stomach 91.0% 88.5% 93.9% <.0001 70.2% 61.3% 80.1% <.0001
Small intestine 90.4% 89.3% 92.0% 0.4008 64.9% 59.9% 72.0% 0.2272
Colon/rectum 94.5% 94.9% 94.1% 0.4290 80.8% 74.4% 88.2% 0.3414
Esophagus/othersb 74.1% 61.3% 88.9% 0.0947 37.9% 29.0% 48.2% 0.1277
  2005-2008
All sites 89.7% 88.6% 90.9% <.0001 70.2% 65.5% 75.8% <.0001
Stomach 92.0% 90.9% 93.1% 0.0006 73.2% 68.9% 77.8% 0.0004
Small intestine 91.6% 90.3% 93.4% 0.0081 70.5% 65.9% 76.9% 0.0103
Colon/rectum 86.4% 91.1% 81.4% 0.8154 74.1% 75.3% 73.0% 0.9534
Esophagus/othersb 70.4% 68.1% 73.6% 0.1976 46.9% 37.7% 58.7% 0.1796
  1. aThe P-value for gender difference was calculated by the Kaplan-Meier method.
  2. bOthers: retroperitoneum and unspecific sites.