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Scoring Systems - Coggle Diagram
Scoring Systems
Features
Valid
Simple
Discrimination
Sensitivity vs specifictiy
AUROC
0.7
Calibrated
Uniformity
Siutations
Performance assessment
Risk of death
Clinical studies
Facilitate audit
Tailor management
Quality indicators
Structure based
Availibilty of consultant
Ward rounds
Trainee outcomes
Nurse:patient ratio
% of days full occupancy
MDT ward rounds
Dedicated physiotherapy and pharmacy teams
Handover
Daily goal sheets
Isolation of infected patients
ICU follow-up clinic
Process based
QI projects
Delerium screening
End of life care
Hand hygiene compliance
Early EN
Readmissions in 48 hours
Overnight discharges
Amditted within 4 hours of decision to admit
HOspital wide approach to deteriorating patient
Outcome based
Non clinical trasnfers
Morbidity and mortaility meetings
Clinical governance
CRBSI rate
Unit based bacteraemia
Unit acquired MRSA
C.diff
SMR
Types
Severity
Acute Physiology and Chronic Helath Evaluation (APACHE II)
Worst score in forst 24 hours
Age
Physiology
Physiological
Biochemical
Chronic diseases
AUROC = 0.85
Max score 71 - score >25 mortailtiy >50%
Simplified Acute Physiology Score (SAPS II)
Age
Physiology
Physiological
Biochemical
Chronic diseas
Type of admission
AUROC = 0.86
SAPS II adjusts for geographic location
Mortality prediction model (MPM)
logistic regression
16 variables
Further 13 variable sat 24 hours
AUROC =0.84
Disease specific
Pnumonia
CURB-65
BADCOP
Upp GI bleeding
Galsgow-blatchford
ROckall
Pancreatitis
Glasgow
Ranson
Balthazar CT grade
Liver failure
MELD
Child PUgh
Kings criteria
PE
Wells
NSTEMI
GRACE
TIMI
Standardised mortaility rates
SMR = Observed / Predicted
Case mix will differ between hospitals
Care is not standardised
Non-identical application of statistics