On prognosing the efficiency of different types of medical treatment
A methodology of prognosing the efficiency of different ways in the treatment of patients is described. The methodology is illustrated by the database of oncological patients. The following problem is studied: to find a criterion allowing for any patient to give a prognosis for the time of his/her survival in the case chemotherapy or/and hormonal therapy is applied to treat him/her and in the case no therapy is used.