Parameters

Parameters are defined in Builder.java and can be modified via harris-mrsa-model.rs/parameters.xml.

Hospital Configuration *

Parameter Default Description
hospitalCapacity 120 Total beds (ward + ICU)
icuCapacity 20 ICU beds

Admission-Discharge-Transfer *

Parameter Default Description
admissionsRate 0.05 Mean inter-arrival time (days)
icuAdmitProbability 0.15 Probability of direct ICU admission
dischargeShape 1.253 Ward LOS log-normal shape
dischargeScale 0.768 Ward LOS log-normal scale
icuDischargeShape 0.916 ICU LOS log-normal shape
icuDischargeScale 0.820 ICU LOS log-normal scale
icuTransferProbability 0.1 Probability of ward→ICU transfer
icuTransferShape 0.5 Transfer timing Gamma shape
icuTransferScale 1.0 Transfer timing Gamma scale

Staffing Ratios *

Parameter Default Description
nursesPerPatient 0.2 Ward nurses per bed
physiciansPerPatient 0.2 Ward physicians per bed
icuNursesPerPatient 0.5 ICU nurses per bed
icuPhysiciansPerPatient 0.3 ICU physicians per bed
rtsPerPatient 0.1 Respiratory therapists per bed
ptsPerPatient 0.1 Physical therapists per bed
otsPerPatient 0.1 Occupational therapists per bed

HCW Visit Timing *

Inter-visit times follow Gamma distributions (shape, scale in minutes):

HCW Type Location Shape Scale
Nurse Ward 0.54 55.1
Nurse ICU 0.54 20.0
Physician Ward 0.52 90.7
Physician ICU 0.52 35.3
Specialist Both 0.62 61.7

Transmission Parameters *

Parameter Default Description
admitImportationInfectionProbability 0.01 Probability patient arrives colonized
cleanPtColonizeddHcwColonizationProb 0.4 P(HCW contaminated | colonized patient, no HH)
contaminedPtCleanHcwColonizationProb 0.4 P(patient colonized | contaminated HCW, no HH)
hhEfficacy - Hand hygiene efficacy (from params.xml)

Hand Hygiene Adherence *

Parameter Description
nurseHhAdherence Nurse pre-visit HH compliance
nurseHhAdherencePost Nurse post-visit HH compliance
doctorHhAdherence Physician pre-visit HH compliance
doctorHhAdherencePost Physician post-visit HH compliance
therapistHhAdherence Therapist pre-visit HH compliance
therapistHhAdherencePost Therapist post-visit HH compliance
ppeAdherenceIfCp PPE compliance for contact precaution patients