Table 1.

G-Care rule types and descriptions

Rule Type	Description
Algebraic	Rule evaluates a single expression and returns a numeric result
Logical	Rule evaluates an expression and returns a TRUE of FALSE result
Prompt	Displays a simple form to request data from the user
Special	Retrieves data from the Gopher CPOE database
Selection	Retrieves data from the patients electronic medical record (EMR)
Reminder	Returns one of a set of possible messages and/or suggested orders
Reminder.set	Returns one to many sets of possible messages and/or suggested orders
Reminder.set.text	Returns a message describing the logic or rationale of a reminder rule