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Table 1 Patient characteristics and 5-year survival

From: Prognostic models to predict overall and cause-specific survival for patients with middle ear cancer: a population-based analysis

  Patients OS CSS
Characteristic No. % 5 y (%) 95% CI 5 y (%) 95% CI
All patients 247 - 47.4 41.2-54.6 58.0 51.6-65.3
Age       
  <50 years 68 27.5 71.3 60.8-83.6 77.3 67.5-88.6
  50-69 years 94 38.1 45.7 35.9-58.3 56.4 46.2-68.9
  70+ years 85 34.4 29.9 21.1-42.5 42.8 32.3-56.6
Sex       
  Male 125 50.6 51.8 43.4-61.9 62.2 53.5-72.2
  Female 122 49.4 42.4 33.7-53.4 53.7 44.6-65.6
Race       
  White 199 80.6 48.9 42.0-56.9 58.0 51.0-66.1
  Non White 48 19.4 40.8 27.9-59.7 57.8 43.9-76.1
Year of diagnosis       
  1983-1989 25 10.1 50.7 34.2-75.1 54.0 37.2-78.5
  1990-1999 68 27.5 33.4 23.8-46.8 43.7 32.9-58.0
  2000-2011 154 62.3 54.0 45.8-63.6 66.2 58.1-75.3
Histologic type       
  Squamous cell carcinoma 138 55.9 28.7 21.5-38.4 40.7 32.3-51.3
  Adenocarcinoma 34 13.8 73.5 59.1-91.3 83.5 71.1-98.0
  Others 75 30.4 68.9 58.6-81.1 76.1 66.1-87.6
Stage       
  Localized 68 27.5 74.8 64.4-86.9 84.7 75.8-94.6
  Regional 134 54.3 42.0 33.9-52.0 52.1 43.5-62.3
  Distant 45 18.2 23.0 13.0-40.9 33.8 20.8-55.0
Surgery       
  No 56 22.7 37.7 26.3-54.1 50.9 38.2-67.9
  Yes 191 77.3 50.4 43.3-58.6 60.1 53.0-68.3
Radiation       
  No 111 44.9 66.7 58.1-76.7 78.5 70.6-87.2
  Yes 136 55.1 30.9 23.4-40.8 40.5 32.1-51.1
  1. Abbreviations: OS Overall survival, CSS Cause-specific survival, CI Confidence Interval.