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Table 3 Methodological quality assessment of studies included

From: The value of ROX index in predicting the outcome of high flow nasal cannula: a systematic review and meta-analysis

Study

Risk of bias

Applicability concerns

Patient selection

Index test

Reference standard

Flow and timing

Patient selection

Index test

Reference standard

Virginie Lemiale 2021

LR

LR

LR

LR

LC

LC

LC

Oriol Roca 2016

LR

LR

LR

LR

LC

UC

LC

Oriol Roca 2019

LR

LR

LR

LR

LC

LC

LC

Ken Junyang Goh 2020

LR

UR

LR

LR

LC

LC

LC

Abhimanyu Chandel 2020

LR

UR

LR

LR

LC

LC

LC

Ming Hu 2020

UR

UR

LR

LR

LC

LC

LC

Maeva Rodriguez 2019

UR

UR

LR

UR

LC

UC

LC

Gregory L Calligaro 2020

LR

UR

LR

LR

LC

LC

LC

Jiqian Xu 2020

LR

UR

LR

LR

LC

LC

LC

  1. LR low risk; HR high risk; UR unclear risk; LC low concern; HC high concern; UC unclear concern