Information Technology Reference
In-Depth Information
The weights of Table 27.3 are based on membership functions of Figure 27.3:
•
VVS positive very very strong (high end of the
pvs
membership function)
•
VS positive very strong (
pvs
membership function)
•
S positive strong (
ps
membership function)
•
MS positive medium strong (high end of the
pm
membership function)
•
M positive medium (
pm
membership function)
•
- M negative medium (
nm
membership function)
•
MW positive medium weak (low end of the
pm
membership function)
•
W positive weak (
pw
membership function)
•
-W negative weak (
nw
membership function)
•
VW positive very weak (
pvw
membership function)
•
VVW positive very weak (low end of the
pvw
membership function)
Table 27.3
Specific weights sw from FCs to DCs of the CFCM-ESI
FC# Name of concept
ESI1 ESI2
ESI3
ESI4 ESI5
FC1 Life threatening
VVS
0
0
0
0
FC2 Limb threatening
VVS
0
0
0
0
FC3 Patient chief complaint
0
MS
MS
0
0
FC4 Vital signs
0
M
MW
0
0
FC5 Medical history
0
MW
MW
0
0
FC6 Other factor
0
MW
MW
0
0
FC7 Expected number of resources
0
W
MW
-W
-M
FC8 Patient age
0
W
VW
0
0
FC9 Required timely intervention
0
W
VW
-W
-M
FC10 Weakness
0
VS
S
VVW
0
FC11 Additional symptoms other than chief complaint
0
W
VW
0
0
FC12 Severe pain or distress
0
VW
VW
0
0
FC13 Patient referred to ED from outside
0
VVW
VW
0
0
FC14 Behavioral or psychi-atric issue
0
VVW VVW
0
0
FC15 No additional symptoms to chief complaint
0
VVW VVW
M
MS
FC16 Absence of medical history
0
VVW VVW
0
0
FC17 Patient medications
0
VVW VVW
0
0
FC18 Hospital or ED discharge 3days
M
VVW VVW
0
0
FC19 Patient immunocompromised
M
VVW VVW
0
0
FC20 Alcohol or illicit drug use
0
VVW VVW
0
0
FC21 No recent change mental state
0
0
0
M
M
FC22 Patient can walk or sit
0
0
W
VS
VVS
In the following subsection the CFCM-ESI is applied to real patient cases, arriving
at the Emergency Department.
