Trial Design/Level of Evidence Flashcards
1
Q
What is a level 2 study?
A
Non randomized controlled prospective study or meta analysis of level 2 or level 1 studies with inconsistent results
2
Q
What is a level 3 study?
A
Case controlled study or retrospective study or meta analysis of level 3 studies
3
Q
What is a level 4 study?
A
Case series
4
Q
What is a level 5 study?
A
Case report or expert opinion
5
Q
What is a level 1 study?
A
Randomized controlled trial or meta-analysis of RCTs with homogenous results
