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

Table 5

Notations for the linear regression model.

Notation	Description
	Total number of patients
	Indicator function for notes
	Indicator function for measurements
	Real survival time for patient m after phase I-1
	Predicted survival time for patient m for the linear regression model
	Regression coefficient
	Regression coefficient
	Function for computing real survival time
	Function for computing predicted survival time
	The loss function value between and