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Table 5 OQAQ Scores for the methodological quality of included reviews (yes = y; no = n; can’t tell = c; partially; p)

From: Attitudes of physicians, nurses, and the general public toward End-of-Life (EoL) decisions in European countries: an umbrella review

Quality criteria

Beck 2017 [31]

Cox 2013 [25]

Evas 2012 [32]

Hendry 2013 [26]

Jabbarian 2018 [33]

McCormack 2011 [27]

Rodrigues 2020 [34]

Rodríguez-Prat 2019 [28]

Scheeres-Feitsma 2023 [129]

Tomlinson 2015 [30]

Vanderspank Wright 2018 [35]

Search methods used to find evidence stated

y

y

y

y

y

y

y

y

y

y

y

Search for evidence reasonably comprehensive

y

y

y

y

y

y

y

y

y

y

y

Criteria used for deciding which studies to include reported

y

y

y

y

y

y

y

y

y

y

y

Bias in the selection of studies avoided

c

c

c

c

c

c

c

c

c

c

c

Criteria used for assessing validity of included studies reported

p

n

n

p

p

n

y

y

y

y

y

Validity of included studies assessed appropriately

n

p

p

p

p

p

y

y

y

y

y

Methods used to combine the findings of studies reported

y

y

y

y

y

y

y

y

y

y

y

Findings of studies combined appropriately

y

y

y

y

y

y

y

y

y

y

y

Conclusions made by authors supported by analysis

p

y

y

y

y

y

y

y

y

y

y

Overall Quality Score

3

3

4

4

4

4

5

5

5

5

5