Effect of continuing the use of renin–angiotensin system inhibitors on mortality in patients hospitalized for coronavirus disease 2019: a systematic review, meta-analysis, and meta-regression analysis

Table 3 Quality assessment of the included cohort studies by Newcastle–Ottawa scale

Study, year	Selection				Comparability	Outcome			Overall stars
Study, year	Representativeness of the exposed cohort	Representative of the non-exposed cohort	Ascertainment of exposure	Outcome was not present at start of study	Comparability	Assessment of the outcome	Length of follow-up	Adequacy of follow-up	Overall stars
Cannata et al. 2020 [30]	★	★	★	★	★	★	★	★	8
Lam et al. 2020 [31]	★	★	★	★	★	★	–	–	6
Chaudhri et al. 2020 [32]	★	★	★	★	★	★	–	–	6
Soleimani et al. 2020 [33]	★	★	★	★	★	★	★	★	8
Lahens et al. 2021 [34]	★	★	★	★	★	★	★	★	8
Aparisi et al. 2022 [35]	★	★	★	★	★	–	–	–	5
de Abajo et al. 2021 [36]	★	★	★	★	★	★	★	★	8

★: the quality of this specific item met the criterion; –: the item was not qualified to be awarded a star

ISSN: 1471-2334