1
PRISMA 2020 Main Checklis
Topic
No.
I em
Loca ion
whe e i em
is epo ed
TITLE
Ti le
1
Iden i y he epo as a sys ema ic e iew.
1
ABSTRACT
Abs ac
2
See he PRISMA 2020 o Abs ac s checklis
INTRODUCTION
Ra ionale
3
Desc ibe he a ionale o he e iew in he con ex o
exis ing knowledge.
1 UNTIL 3
Objec i es
4
P o ide an explici s a emen o he objec i e(s) o
ques ion(s) he e iew add esses.
3
METHODS
Eligibili y c i e ia
5
Speci y he inclusion and exclusion c i e ia o he
e iew and how s udies we e g ouped o he
syn heses.
3
In o ma ion
sou ces
6
Speci y all da abases, egis e s, websi es,
o ganisa ions, e e ence lis s and o he sou ces
sea ched o consul ed o iden i y s udies. Speci y he
da e when each sou ce was las sea ched o
consul ed.
3 AND 4
Sea ch s a egy
7
P esen he ull sea ch s a egies o all da abases,
egis e s and websi es, including any il e s and limi s
used.
3 AND 4
Selec ion p ocess
8
Speci y he me hods used o decide whe he a s udy
me he inclusion c i e ia o he e iew, including how
many e iewe s sc eened each eco d and each epo
e ie ed, whe he hey wo ked independen ly, and i
applicable, de ails o au oma ion ools used in he
p ocess.
4
Da a collec ion
p ocess
9
Speci y he me hods used o collec da a om epo s,
including how many e iewe s collec ed da a om
each epo , whe he hey wo ked independen ly, any
p ocesses o ob aining o con i ming da a om s udy
in es iga o s, and i applicable, de ails o au oma ion
ools used in he p ocess.
3 AND 4
2
Topic
No.
I em
Loca ion
whe e i em
is epo ed
Da a i ems
10a
Lis and de ine all ou comes o which da a we e
sough . Speci y whe he all esul s ha we e
compa ible wi h each ou come domain in each s udy
we e sough (e.g. o all measu es, ime poin s,
analyses), and i no , he me hods used o decide
which esul s o collec .
3 AND 4
10b
Lis and de ine all o he a iables o which da a we e
sough (e.g. pa icipan and in e en ion
cha ac e is ics, unding sou ces). Desc ibe any
assump ions made abou any missing o unclea
in o ma ion.
3 AND 4
S udy isk o bias
assessmen
11
Speci y he me hods used o assess isk o bias in he
included s udies, including de ails o he ool(s) used,
how many e iewe s assessed each s udy and whe he
hey wo ked independen ly, and i applicable, de ails
o au oma ion ools used in he p ocess.
4 AND 5
E ec measu es
12
Speci y o each ou come he e ec measu e(s) (e.g.
isk a io, mean di e ence) used in he syn hesis o
p esen a ion o esul s.
-
Syn hesis me hods
13a
Desc ibe he p ocesses used o decide which s udies
we e eligible o each syn hesis (e.g. abula ing he
s udy in e en ion cha ac e is ics and compa ing
agains he planned g oups o each syn hesis (i em
5)).
3 AND 4
13b
Desc ibe any me hods equi ed o p epa e he da a o
p esen a ion o syn hesis, such as handling o missing
summa y s a is ics, o da a con e sions.
4
13c
Desc ibe any me hods used o abula e o isually
display esul s o indi idual s udies and syn heses.
4 UNTIL 7
13d
Desc ibe any me hods used o syn hesize esul s and
p o ide a a ionale o he choice(s). I me a-analysis
was pe o med, desc ibe he model(s), me hod(s) o
iden i y he p esence and ex en o s a is ical
he e ogenei y, and so wa e package(s) used.
-
13e
Desc ibe any me hods used o explo e possible causes
o he e ogenei y among s udy esul s (e.g. subg oup
analysis, me a- eg ession).
-
13
Desc ibe any sensi i i y analyses conduc ed o assess
obus ness o he syn hesized esul s.
-
Repo ing bias
assessmen
14
Desc ibe any me hods used o assess isk o bias due
o missing esul s in a syn hesis (a ising om
epo ing biases).
-
Ce ain y
assessmen
15
Desc ibe any me hods used o assess ce ain y (o
con idence) in he body o e idence o an ou come.
-
3
Topic
No.
I em
Loca ion
whe e i em
is epo ed
RESULTS
S udy selec ion
16a
Desc ibe he esul s o he sea ch and selec ion
p ocess, om he numbe o eco ds iden i ied in he
sea ch o he numbe o s udies included in he
e iew, ideally using a low diag am.
5 AND 6
16b
Ci e s udies ha migh appea o mee he inclusion
c i e ia, bu which we e excluded, and explain why
hey we e excluded.
-
S udy
cha ac e is ics
17
Ci e each included s udy and p esen i s
cha ac e is ics.
5 UNTIL 7
Risk o bias in
s udies
18
P esen assessmen s o isk o bias o each included
s udy.
4 AND 5
Resul s o
indi idual s udies
19
Fo all ou comes, p esen , o each s udy: (a)
summa y s a is ics o each g oup (whe e app op ia e)
and (b) an e ec es ima e and i s p ecision (e.g.
con idence/c edible in e al), ideally using s uc u ed
ables o plo s.
5 UNTIL 7
Resul s o
syn heses
20a
Fo each syn hesis, b ie ly summa ise he
cha ac e is ics and isk o bias among con ibu ing
s udies.
5 UNTIL 8
20b
P esen esul s o all s a is ical syn heses conduc ed.
I me a-analysis was done, p esen o each he
summa y es ima e and i s p ecision (e.g.
con idence/c edible in e al) and measu es o
s a is ical he e ogenei y. I compa ing g oups,
desc ibe he di ec ion o he e ec .
-
20c
P esen esul s o all in es iga ions o possible causes
o he e ogenei y among s udy esul s.
-
20d
P esen esul s o all sensi i i y analyses conduc ed o
assess he obus ness o he syn hesized esul s.
-
Repo ing biases
21
P esen assessmen s o isk o bias due o missing
esul s (a ising om epo ing biases) o each
syn hesis assessed.
-
Ce ain y o
e idence
22
P esen assessmen s o ce ain y (o con idence) in
he body o e idence o each ou come assessed.
-
DISCUSSION
Discussion
23a
P o ide a gene al in e p e a ion o he esul s in he
con ex o o he e idence.
8
23b
Discuss any limi a ions o he e idence included in he
e iew.
8
4
Topic
No.
I em
Loca ion
whe e i em
is epo ed
23c
Discuss any limi a ions o he e iew p ocesses used.
8
23d
Discuss implica ions o he esul s o p ac ice, policy,
and u u e esea ch.
8 AND 9
OTHER
INFORMATION
Regis a ion and
p o ocol
24a
P o ide egis a ion in o ma ion o he e iew,
including egis e name and egis a ion numbe , o
s a e ha he e iew was no egis e ed.
-
24b
Indica e whe e he e iew p o ocol can be accessed,
o s a e ha a p o ocol was no p epa ed.
-
24c
Desc ibe and explain any amendmen s o in o ma ion
p o ided a egis a ion o in he p o ocol.
-
Suppo
25
Desc ibe sou ces o inancial o non- inancial suppo
o he e iew, and he ole o he unde s o sponso s
in he e iew.
9
Compe ing
in e es s
26
Decla e any compe ing in e es s o e iew au ho s.
9
A ailabili y o da a,
code and o he
ma e ials
27
Repo which o he ollowing a e publicly a ailable
and whe e hey can be ound: empla e da a collec ion
o ms; da a ex ac ed om included s udies; da a
used o all analyses; analy ic code; any o he
ma e ials used in he e iew.
9
5
PRIMSA Abs ac Checklis
Topic
No.
I em
Repo ed?
TITLE
Ti le
1
Iden i y he epo as a sys ema ic e iew.
Yes
BACKGROUND
Objec i es
2
P o ide an explici s a emen o he main objec i e(s) o
ques ion(s) he e iew add esses.
Yes
METHODS
Eligibili y
c i e ia
3
Speci y he inclusion and exclusion c i e ia o he e iew.
Yes
In o ma ion
sou ces
4
Speci y he in o ma ion sou ces (e.g. da abases, egis e s)
used o iden i y s udies and he da e when each was las
sea ched.
Yes
Risk o bias
5
Speci y he me hods used o assess isk o bias in he
included s udies.
No
Syn hesis o
esul s
6
Speci y he me hods used o p esen and syn hesize esul s.
Yes
RESULTS
Included
s udies
7
Gi e he o al numbe o included s udies and pa icipan s
and summa ise ele an cha ac e is ics o s udies.
Yes
Syn hesis o
esul s
8
P esen esul s o main ou comes, p e e ably indica ing he
numbe o included s udies and pa icipan s o each. I
me a-analysis was done, epo he summa y es ima e and
con idence/c edible in e al. I compa ing g oups, indica e
he di ec ion o he e ec (i.e. which g oup is a ou ed).
Yes
DISCUSSION
Limi a ions o
e idence
9
P o ide a b ie summa y o he limi a ions o he e idence
included in he e iew (e.g. s udy isk o bias, inconsis ency
and imp ecision).
No
In e p e a ion
10
P o ide a gene al in e p e a ion o he esul s and impo an
implica ions.
Yes
OTHER
Funding
11
Speci y he p ima y sou ce o unding o he e iew.
Yes
Regis a ion
12
P o ide he egis e name and egis a ion numbe .
No
6
F om: Page MJ, McKenzie JE, Bossuy PM, Bou on I, Ho mann TC, Mul ow CD, e al. The
PRISMA 2020 s a emen : an upda ed guideline o epo ing sys ema ic e iews.
Me aA Xi . 2020, Sep embe 14. DOI: 10.31222/os .io/ 7gm2. Fo mo e in o ma ion, isi :
www.p isma-s a emen .o g
