TABLE 3.

Newcastle–Ottawa quality assessment of observational studies.

First author	year	Study design	Selection	Comparability	Outcome	Total score	Result
Berenguer J et al.21	2020	Cohort	***	**	***	8	Good
Bhaskaran K et al.17	2020	Cohort	****	**	***	9	Good
Boulle A et al.22	2020	Cohort	***	**	***	8	Good
Braunstein SL et al.23	2020	Cohort	***	**	***	8	Good
Cabello A et al.24	2020	Cohort	***	**	***	8	Good
Chilimuri S et al.25	2020	Cohort	***	**	***	8	Good
Docherty AB et al.26	2020	Cohort	****	**	***	9	Good
El-Solh AA et al.27	2020	Cohort	***	**	***	8	Good
Garibaldi BT et al.28	2020	Cohort	****	**	***	9	Good
Geretti AM et al.18	2020	Cohort	***	**	***	8	Good
Gudipati S et al.19	2020	Cohort	**	**	***	7	Good
Hadi YB et al.20	2020	Cohort	**	**	***	7	Good
Harrison SL et al.29	2020	Cohort	***	**	***	8	Good
Hsu HE et al.30	2020	Cohort	**	**	***	7	Good
Huang J et al.31	2020	Cohort	***	**	***	8	Good
Jassat W et al.32	2020	Cohort	***	**	***	8	Good
Kabarriti R et al.33	2020	Cohort	***	**	***	8	Good
Karmen-Tuohy S et al.34	2020	Cohort	**	**	***	7	Good
Kim D et al.35	2020	Cohort	***	**	****	9	Good
Lee SG et al.36	2020	Cohort	***	**	***	8	Good
Maciel EL et al.37	2020	Cohort	**	**	***	7	Good
Marcello RK et al.38	2020	Cohort	***	**	***	8	Good
Miyashita H et al.39	2020	Cohort	**	**	***	7	Good
Ombajo LA et al.40	2020	Cohort	***	**	***	8	Good
Parker A et al.41	2020	Cohort	***	**	***	8	Good
Sigel K et al.42	2020	Cohort	***	**	***	8	Good
Stoeckle K et al.43	2020	Cohort	***	**	***	8	Good
Tesoriero JM et al.44	2020	Cohort	**	**	***	7	Good

Note: Asterisk denotes scores.