PH Flashcards
HSMRs
(No. Deaths / expected deaths) x 100
those who died within 30 days of discharge
Absolute risk
Risk of disease over time period
No events in group / No people in group
ARR
P(risk in exposed) - P(risk unexposed)
RRR
1 - RR
Relative risk
Used to compare risk of two groups
1 = +ve correlation
0 = no association
-1 = -ve correlation
PPV
Chance +ve result is correct
TP / TP + FP
NPV
Chance -ve result is correct
TN / TN + FN
Sensitivity
Test +ve when disease is present
TP / TP + FN
Specificity
Tests -ve when no disease is present
Data governance
Establishes processes that ensure quality & security of data used in an organisation
RCTs
- Design
- Recruitment ——> give info & gain consent
- Allocation
- Follow-up
- Analysis
- Reporting results—-> uses CONSORT
+ves for RCTs
Suitable for large samples
Clear, measurable impacts
-ves for RCTs
Not suitable for small samples
Hard to measure results
Takes time
NHS Health Check
40-74 y.o
Every 5 years
Diabetes
Heart disease
Kidney disease
Stroke & dementia
Attributable risk
Excessive risk accounted for by an exposure