Intro to EBM

Question 1

Best evidence

Answer 1

Clinically relevant research, especially from patient centred clinical research into the accuracy and precision of diagnostic tests, the power of pronostic markers and the efficacy and safety of therapeutic, rehabilitation and preventative strategies.

Question 2

NP core competencies according to CNA

Answer 2

Prof role, responsibility and accountability
Health assessment and diagnosis
Therapeutic management
Health promotion and prevention

Question 3

CANMEDS framework

Answer 3

Professionalism
Communication
Collaboration
Manager
Health advocate
Scholar

Question 4

x of valid evidence is out of date within y years

Answer 4

half, 5

Question 5

x of valid evidence isn’t implemented

Answer 5

half

Question 6

Clues that a publisher is predatory

Answer 6

No/limited peer review
minimal copy editing
sham impact factors
fake editorial board

Question 7

Why is predatory publishing a problem

Answer 7

No confidence in accuracy of information
Query ethical safeguards for subjects
Wrong info could hurt its and promote iron practices

Question 8

How to check for predatory publishing

Answer 8

Can u find journal in pubmed/cinahl
are the journal’s connected associations valid
how many issues per year

Question 9

When appraising evidence

Answer 9

Valid?
Results reliable and clinically significant?
Study pertinent to the question?

Question 10

PICO(T) prognosis

Answer 10

In (P), how does (I) compared with (C) influence (O)over (T)?

Question 11

Before choosing a treatment recommendation

Answer 11

Study resembles pt?
Ben larger than harms?
Another treatment better?
Pt’s values?

Question 12

External validity

Answer 12

results can be applied to other settings

Question 13

Internal validity

Answer 13

study design and methodology produces valid, accurate results and extraneous fat tors aren’t responsible for the outcome

Question 14

sensitivity

Answer 14

who has

Question 15

specificity

Answer 15

who doesn’t

Question 16

positive predictive value

Answer 16

for pas who tested positive, probability that they have the condition

Question 17

effect size

Answer 17

strength of a relationship between 2 variables or estimate of the impact of an intervention, small=0,2 large:0,8. larger sample sizes are needed to establish impact of intervention if effect size is small.

Question 18

relative risk reduction

Answer 18

the reduction in the rate of the outcome in the treatment group compared to that of in the control group

Question 19

CI

Answer 19

range of values within which the true value is expected to be found. narrower the better. Accounts for sampling error between study population and real population