Research Article

A Time-Critical Topic Model for Predicting the Survival Time of Sepsis Patients

Table 4

Notations for phase .

NotationDescription

Total number of patients
Total number of phases
Patient m treated by clinicians for a total of days
Real survival time for patient m after phase I-1
Predicted survival time for patient m after phase I-1
Regression coefficient
Function for computing real survival time
Function for computing predicted survival time
The function value of the difference between and