Table 3.

(a) Quality assessment of Case-Control studies: Newcastle_Ottawa Scale Scores. (b) Quality assessment of Cohort or Cross-sectional studies: Newcastle_Ottawa Scale Scores.

(a)
Study	Selection				Exposure
	Is the Case Definition Adequate?	Representativeness of the Cases	Selection of Controls	Definition of Controls	Ascertainment of Exposure	Same Method of Ascertainment for Cases and Controls
Ad’hiah AH, et al., 2020 [22]	*	*	*	*	*	*
Anderson JL, et al., 2021 [23]	*	*	*	*	*	*
Negro P, et al., 2021 [18]	*	*	*	*	*	*
Platton S, et al., 2021 [24]	*			*	*	*
Singh N, et al., 2021 [25]	*	*		*	*	*
(b)
Study	Selection					Outcome
	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		Assessment of outcome
Ahmed I, et al., 2021 [26]	*	*	*	*		*
Barnkob MB, et al., 2020 [27]	*	*	*	*		*
Boudin L, et al., 2020 [28]	*	*	*	*		*
Coluk Y, et al., 2021 [29]	*	*	*	*		*
Haizler-Cohen L, et al., 2021 [30]	*	*	*	*		*
Horspool A, et al., 2021 [31]	*	*	*	*		*
Ibrahim SA, et al., 2021 [32]	*	*	*	*		*
Khosroshahi HT, et al., 2021 [33]	*	*	*	*		*
Latz CA, et al., 2020 [35]	*	*	*	*		*
Lehrer S, et al., 2021 [36]	*	*	*	*		*
Levi JE, et al., 2021 [37]	*	*	*	*		*
Mahallawi AH, et al., 2021 [38]	*	*	*	*		*
Niles JK, et al., 2021 [39]	*	*	*	*		*
Quiroga B, et al., 2021 [40]	*	*		*
Ray JG, et al., 2021 [41]	*	*	*	*		*
Schetelig J, et al., 2021 [42]	*	*	*	*		*
Zhang J, et al., 2021 [43]	*	*	*	*		*

* The item is respected. The items “Comparability of cases and controls on the basis of the design or analysis” and “Non-Response rate” are not applicable. The items “Comparability of cohorts on the basis of the design or analysis”, “Was follow-up long enough for outcomes to occur” and “Adequacy of follow up” are not applicable.