Evidence Based Vet Med

Question 1

Describe prospective VS retrospective.

Answer 1

1. Prospective = follow cohort & collect data
2. Retrospective = consult data from past

Question 2

Describe cross section VS longitudinal.

Answer 2

1. Cross sectional = collect data on single point in time
2. Longitudinal = repeated observations

Question 3

Describe observational VS experimental.

Answer 3

1. Observational = observe info without intervening on variables
2. Experimental = measure difference w intervention & control 1 or more variables

Question 4

Describe randomized VS blinded.

Answer 4

1. Randomized = randomization of subject in each group
2. Blinded = researcher or subject not aware of variables
   >blinded
   >double blinded
   >triple blinded

Question 5

Describe the different studies.

Answer 5

1. Controlled clinical trial (RCT)
   -control: control pop used
   -prospective
   -experimental
2. Cohort study
   -study pop
   -prospective
   -observational
3. Case controlled study
   -study pop
   -retrospective
   -observational
4. Case studies
   -case series: multiple cases
   -case report: one case
   -observational

Question 6

Describe the hierarchy of evidences.

Answer 6

1. Randomized > not randomized
2. Triple blinded > double blinded > blinded > non blinded

Question 7

Describe traditional classification VS GRADE classification.

Answer 7

Question 8

Describe quality of evidence.

Answer 8

1. Meta analysis
   -statistical analysis to analyses evidence from studies
2. Systemic reviews
   -synthesis of evidence on a topic relevant to research question
3. Critically appraised literature
   -shorter, less rigorous than systematic review
   -relevant to focused question

Question 9

Describe peer review VS expert.

Answer 9

1. Peer review
   -eval by one or more people w the same competencies/expertise
2. Expert
   -DVM = in vet med
   -board certify = specialty