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Table 2 QUADAS

From: Circulating brain-derived neurotrophic factor as a potential biomarker in stroke: a systematic review and meta-analysis

Study ID

Risk of bias

Applicability concerns

Patient selection

Index text

Reference standard

Flow and timing

Patient selection

Index text

Reference standard

Score (0–7)

Algin 2019

Low

Low

Low

Low

Low

Low

Low

7

Anjum 2020

Low

Low

Low

Low

Low

Low

Low

7

Asadollahi 2019

Low

Low

Low

Low

Low

Low

Low

7

Bastawy 2019

Low

Low

Low

Low

Low

Low

Low

7

Bembenek 2020 (full text not found)

Unclear

Unclear

Unclear

Unclear

Unclear

Unclear

Unclear

-

Billinger 2017

Low

Low

Low

High

Low

Low

Low

6

Bintang 2020

Low

Low

Low

Low

Low

Low

Low

7

Boyne 2018

Low

Low

Low

Low

Low

Low

Low

7

Casas 2017

Low

Low

Low

Low

Low

Low

Low

7

Chan 2015

Low

Low

Low

Low

Low

Low

Low

7

Chang 2018

Low

Low

Unclear

High

Low

Low

Low

5

Chaturvedi 2020

Low

Low

Low

Low

Low

Low

Low

7

Chen 2018

Low

Low

Low

Low

Low

Low

Low

7

Cichon 2018

Low

Low

Low

Low

Low

Low

Low

7

de Morais 2018

Low

Low

Low

Low

Low

Low

Low

7

Di Lazzaro 2007

Low

Low

Low

Low

Low

Low

Low

7

El-Tamawy 2014

Low

Low

Unclear

Low

Low

Low

Unclear

5

Greisenegger 2015

Low

Low

Low

High

Low

Low

High

5

Han 2020

Low

Low

Low

Low

Low

Low

Low

7

Hassan 2018

Low

Low

Low

Low

Low

Low

Low

7

Hsu 2020

Low

Low

Low

Low

Low

Low

Low

7

Hidayat 2016

Low

Low

Low

Low

Low

Low

Low

7

Hutanu 2020

Low

Low

Low

Low

Low

Low

Low

7

Jimenez 2008 (full text in Spanish)

Unclear

Unclear

Unclear

Unclear

Unclear

Unclear

Unclear

-

Karakulova 2018

Low

Low

Low

Low

Low

Low

Low

7

Kim 2019

Low

Low

Low

Low

Low

Low

Low

7

King 2019

Low

Low

Unclear

High

Low

Low

Unclear

4

Koroleva 2020

Low

Low

Low

Low

Low

Low

Low

7

Kotlega 2020

Low

Low

Low

Low

Low

Low

Low

7

Kozak 2019

Low

Low

Low

Low

High

Low

Low

6

Kozak 2016

Low

Low

Low

Low

Low

Low

Low

7

Lasek-Bal 2015

Low

Low

Low

Low

Low

Low

Low

7

Lasek-Bal 2019

Low

Low

Low

Low

Low

Low

Low

7

Levchuk 2019

Low

Unclear

Low

Low

Low

Unclear

Low

5

Li 2014

Low

Low

Low

High

Low

Low

Low

6

Lopez-Cancio 2017

Low

Low

Low

Low

Low

Low

Low

7

Lu 2015

Low

Low

Low

Low

Low

Low

Low

7

Luo 2019

Low

Low

Low

Low

Low

Low

Low

7

Mirowska-Guzel 2013

Low

Low

Low

Low

High

Low

Low

6

Mourao 2019

Low

Low

Low

Low

Low

Low

Low

7

Niimi 2016

Low

Low

Low

Low

Low

Low

Low

7

Ortega 2019

Low

Low

Low

Low

Low

Low

Low

7

Pascotini 2018

Low

Low

Low

Low

Low

Low

Low

7

Pedard 2018

Low

Low

Unclear

Low

Low

Low

Unclear

5

Prodjohardjono 2020

Low

Low

Low

Low

Low

Low

Low

7

Qiao 2017

Low

Low

Low

Low

Low

Low

Low

7

Rodier 2015

Low

Low

Low

Low

Low

Low

Low

7

Roslavtceva 2020

Low

Low

Low

Low

Low

Low

Low

7

Ryan 2019

Low

Low

Unclear

Low

Low

Low

Unclear

5

Santos 2016

Low

Low

Unclear

High

Low

Low

Unclear

4

Siotto 2017

Low

Low

Low

High

Low

Low

High

5

Silva Mariana 2017

Low

Low

Low

Low

Low

Low

Low

7

Sobrino 2020

Low

Low

Low

High

Low

Low

Low

6

Stanne 2016

Unclear

Low

Unclear

Low

Unclear

High

Unclear

2

Syafrita 2020

Low

Low

Low

Low

Low

Low

Low

7

Wang 2021

Low

Low

Low

Low

Low

Low

Low

7

Wang 2019

Low

Low

Low

Unclear

Low

Low

Low

6

Wang 2017

Low

Low

Low

Low

Low

Low

Low

7

Widodo 2016

Low

Low

Low

Low

Low

Low

Low

7

Yang 2011

Low

Low

Low

Low

Low

Low

Low

7

Zhang 2017

Low

Low

Low

Low

Low

Low

Low

7

Zhou 2011

Low

Low

Low

Low

Low

Low

High

6