Therapeutic and adverse effects of adrenaline on patients who suffer out-of-hospital cardiac arrest: a systematic review and meta-analysis

Table 3 Newcastle–Ottawa quality assessment scale for the cohort studies

Study	Selection of cohort (4)				Comparability (1)	Outcome (3)
Study	Representativeness of the exposed cohort	Selection of the non-exposed cohort	Ascertainment of exposure	Demonstration that outcome of interest was not present at start of study	Comparability of cohorts on the basis of the design or analysis	Assessment of outcome	Was follow-up long enough for outcomes to occur	Adequacy of follow-up of cohorts
2015 Fukuda	–	⭐	⭐	⭐	⭐	–	⭐	⭐
2016 Fukuda	⭐	⭐	⭐	⭐	⭐	–	⭐	–
2012 Machida	⭐	⭐	⭐	⭐	⭐	⭐	⭐	⭐
2012 Hagihara	⭐	⭐	⭐	⭐	⭐	–	⭐	⭐
2012 Hayashi	⭐	⭐	⭐	⭐	⭐	⭐	⭐	⭐
2012 Olasveengen	⭐	⭐	⭐	⭐	⭐	⭐	⭐	⭐
2013 Goto	⭐	⭐	⭐	⭐	⭐	⭐	⭐	⭐
2013 Neset	⭐	⭐	⭐	⭐	–	⭐	⭐	⭐
2014 Kaji	⭐	⭐	⭐	⭐	⭐	⭐	⭐	⭐
2014 Dumas	⭐	⭐	⭐	⭐	⭐	–	⭐	⭐
2021 Matsuyama	⭐	⭐	⭐	⭐	⭐	⭐	⭐	⭐
2013 Hayakawa	⭐	⭐	⭐	⭐	⭐	–	⭐	⭐
2020 Baert	⭐	⭐	⭐	⭐	⭐	–	⭐	⭐
2013 Nakahara	⭐	⭐	⭐	⭐	⭐	⭐	⭐	⭐
2022 Yu Wang	⭐	⭐	⭐	⭐	⭐	–	⭐	⭐

For each numbered item in the selection and exposure categories, the study may receive a maximum of one star. For comparability category, up to two stars may be given

ISSN: 2047-783X