Skip to main content
. 2021 Sep 23;4:69. Originally published 2021 Jul 5. [Version 2] doi: 10.12688/hrbopenres.13326.2

Table 2. Quality assessment Scoring System.

Quality
Rating
Observational Cohort &
Cross-Sectional Studies
Case Control
Studies
RCTs Action
Good 9–12 10–14 7–11 Data extraction
Fair 6–8 7–9 4–6 2 reviewers to discuss.
Adjudicate with 3rd
reviewer if required.
Poor <=5 <=6 <=4 2 reviewers to discuss.
Reject
Other CD, NR, NA*