relative survival calculated dividing overall survival after diagnosis of disease survival observed in similar population not diagnosed disease. similar population composed of individuals @ least age , gender similar diagnosed disease.
cause-specific survival , disease-specific survival
disease-specific survival rate refers percentage of people in study or treatment group have not died specific disease in defined period of time. time period begins @ time of diagnosis or @ start of treatment , ends @ time of death. patients died causes other disease being studied not counted in measurement.
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