Indices
|
d
|
Diagnosis group
|
f
|
Facility
|
p
|
Zip code area
|
q
|
Zip code area
|
Parameters
|
a
d
|
The slope of the (linear) volume-outcome relationship of diagnosis group d
|
b
d
|
The constant term of the (linear) volume-outcome relationship of diagnosis group d
|
EQ
|
Euros per QALY
|
ET
|
Travel expenses per time unit
|
M
|
Big number [1,000,000]
|
maxt
d
|
The maximum acceptable travel time for diagnosis group d
|
minu
f
|
Minimum utilization per facility f
|
NP
d
|
The number of patients per diagnosis group d
|
|
The number of patients per diagnosis group d and zip code p
|
NV
d
|
The total number of visits per patient having diagnosis d
|
TT
p,q
|
The driving time from zip code p to zip code q
|
U
fd
|
The amount of resources each patient within diagnosis group d makes use of facility f
|
Dependent variables
|
Quality
d
|
Total quality achieved for diagnosis group d [euros]
|
Travel
d
|
Total travel costs made for diagnosis group d [euros]
|
NL
d
|
The number of locations treating diagnosis group d
|
Decision variables
|
X
p
|
Whether a health care location is established in zip code p
|
Z
q,d
|
Whether diagnosis group d is treated at potential hospital location with zip code q
|
Y
p,q,d
|
Whether for diagnosis group d patients from zip code p are assigned to potential hospital location with zip code q
|