CASP!Checklist:
!
10!questions!to!help!you!make!sense!of!a!
Systematic!Review
!
How!to!use!this!appraisal!tool:!
Three!broad!issues!need!to!be!considered!when!appraising!a!
systematic!review!study:
!
!Are!the!results!of!the!study!valid?!(Section!A)!
!What!are!the!results?! (Section!B)!
!Will!the!results!help!locally?! (Section!C)!
The!10!questions!on!the!following!pages!are!designed!to!help!you!think!about!these!issues!
systematically.!The!first!two!questions!are!screening!questions!and!can!be!answered!quickly.!
If!the!answer!to!both!is!“yes”,!it!is!worth!proceeding!with!the!remaining!questions.!There!is!
some!degree!of!overlap!between!the!questions,!you!are!asked!to!record!a!“yes”,!“no”!or!
“can’t!tell”!to!most!of!the!questions.!A!number!of!italicised!prompts!are!given!after!each!
question.!These!are!designed!to!remind!you!why!the!question!is!important.!Record!your!
reasons!for!your!answers!in!the!spaces!provided.!
About:
!These!checklists!were!designed!to!be!used!as!educational!pedagogic!tools,!as!part!of!a!
workshop!setting,!therefore!we!do!not!suggest!a!scoring!system.!The!core!CASP!checklists!
(randomised!controlled!trial!&!systematic!review)!were!based!on!JAMA!'Users’!guides!to!the!
medical!literature!1994!(adapted!from!Guyatt!GH,!Sackett!DL,!and!Cook!DJ),!and!piloted!with!
health!care!practitioners.!
For!each!new!checklist,!a!group!of!experts!were!assembled!to!develop!and!pilot!the!checklist!
and!the!workshop!format!with!which!it!would!be!used.!Over!the!years!overall!adjustments!
have!been!made!to!the!format,!but!a!recent!survey!of!checklist!users!reiterated!that!the!basic!
format!continues!to!be!useful!and!appropriate.!
Referencing:
!we!recommend!using!the!Harvard!style!citation,!i.e.:!Critical!Appraisal!Skills!
Programme!(2018).!CASP!(insert!name!of!checklist!i.e.!Systematic!Review)!Checklist.![online]!
Available!at:!!URL.!Accessed:!Date!Accessed.!
©CASP!this!work!is!licensed!under!the!Creative!Commons!Attribution!–!Non-Commercial-
Share!A!like.!To!view!a!copy!of!this!license,!visit!http://creativecommons.org/licenses/by-nc-
sa/3.0/!www.casp-uk.net!!
Critical Appraisal Skills Programme (CASP) part of Oxford Centre for Triple Value Healthcare Ltd www.casp-uk.net