Formative PH Flashcards
(15 cards)
1
Q
HSMR
A
No deaths/expected x 1000
(includes those 30 days after discharge)
2
Q
Ab Risk
A
No events/no people
3
Q
ARR
A
P(risk in exposed) - P(risk in unexposed)
4
Q
RRR
A
1-RR
5
Q
Rel Risk
A
(A/(A + B)) / (C/(C+D))
6
Q
OR
A
AD/BC
7
Q
PPV
A
TP/TP + FP
Chance +ve result is correct
8
Q
NPV
A
TN/TN + FN
Chance -ve result is correct
9
Q
Sensitivity
A
TP/(TP+FN)
Test +ve when disease present
10
Q
Specificity
A
TN/(TN+FP)
Test -ve when no disease present
11
Q
Incidence
A
No. new cases/pop. at risk
No new cases in a given time
12
Q
SE
A
S.D/√n
13
Q
C.I
A
Mean +/- (1.96 x SE)
(for 95% C.I)
14
Q
Hierarchy of study designs
A
SR
Meta A
RCT
Cohort
Case-control
Case-report
15
Q
Variance
A
(xi-Mean)^2/n-1