Table 1.

Demographic characteristics of the enrolled studies

ID	Authors (Year)	Location	Investigation years	Study design	Follow-up years	Sample size, n	Confounders adjusted	NOS
1	Bozic, et al. (2014) [27]	North America	1990–2011	Prospective case-control	3.7	587	Multivariate	7
2	Burn, et al. (2018) [19]	Europe	1995–2014	Retrospective cohort	0.25	10,260	Multivariate	7
3	Chee, et al. (2010) [28]	Europe	1998–2003	Prospective cohort	5	110	Univariate	5
4	Choong, et al. (2007) [29]	Asia-Pacific	1998–2004	Retrospective cohort	3.5	819	Univariate	5
5	Cordero-Ampuero, et al. (2010) [30]	Europe	1997–2007	Prospective case-control	2.3	124	Univariate	5
6	Dale, et al. (2011) [31]	Europe	2005–2009	Prospective cohort	1	5540	Multivariate	7
7	Davis, et al. (2011) [32]	Europe	1998–2005	Prospective cohort	5	1617	Multivariate	8
8	de Boer, et al. (2001) [33]	Europe	1996–1999	Retrospective cohort	1	12,588	Univariate	6
9	Dowsey, et al. (2008) [12]	Asia-Pacific	1998–2005	Retrospective cohort	1	1207	Univariate	5
10	Gittings, et al. (2017) [34]	North America	2009–2014	Retrospective cohort	1	33	Univariate/ multivariate	6
11	Gonzalez, et al. (2018) [35]	Europe	1996–2013	Prospective cohort	5.6	5198	Multivariate	7
12	Hartford, et al. (2020) [36]	North America	–	Retrospective cohort	1	1808	Multivariate	6
13	Huotari, et al. (2007) [37]	Europe	2001–2004	Retrospective cohort	1	5614	Univariate	5
14	Jamsen, et al. (2012) [14]	Europe	2002–2008	Retrospective cohort	1	3266	Multivariate	7
15	Jung, et al. (2017) [38]	Asia-Pacific	2013–2015	Retrospective cohort	0.25	10,690	Multivariate	6
16	Kildow, et al. (2017) [16]	North America	2005–2012	Retrospective case-control	2	61,778	Multivariate	6
17	Kurtz, et al. (2018) [39]	North America	2005–2015	Retrospective case-control	4.7	1,158,742	Multivariate	7
18	Lenguerrand, et al. (2018) [40]	Europe	2003–2013	Prospective cohort	4.6	623,253	Multivariate	8
19	Lubbeke, et al. (2007) [41]	Europe	1996–2005	Prospective cohort	5	2495	Multivariate	7
20	Maoz, et al. (2015) [42]	North America	2009–2011	Retrospective cohort	2	3672	Multivariate	6
21	Marjo, et al. (2007) [43]	Europe	2000–2002	Prospective cohort	1	1922	Multivariate	7
22	Matar, et al. (2020) [44]	North America	2012–2018	Retrospective cohort	1	7270	Multivariate	7
23	McIntosh, et al. (2006) [45]	North America	1998–2002	Retrospective cohort	2.7	448	Multivariate	6
24	Meermans, et al. (2012) [46]	Europe	1998–2006	Retrospective cohort	5.9	364	Univariate	5
25	Muilwijk, et al. (2006) [47]	Europe	1996–2003	Retrospective cohort	1	26,127	Multivariate	7
26	Namba, et al. (2012) [48]	North America	2001–2009	Retrospective cohort	1	30,491	Univariate/ multivariate	7
27	Ong, et al. (2009) [49]	North America	1997–2006	Prospective cohort	10	39,929	Multivariate	7
28	Peel, et al. (2011) [50]	Asia-Pacific	2000–2007	Prospective case-control	1	108	Univariate	5
29	Rondon, et al. (2018) [51]	North America	2000–2016	Retrospective case-control	5.3	145	Univariate	6
30	Sequeira, et al. (2020) [52]	North America	2005–2014	Retrospective cohort	1	741,078	Multivariate	6
31	Sequeira,S et al. (2020) [53]	North America	2005–2014	Retrospective cohort	1	483,405	Multivariate	6
32	Smith, et al. (2018) [54]	Asia-Pacific	2000–2014	Prospective cohort	1	91,585	Multivariate	7
33	Sodhi,N et al. (2020) [55]	North America	2005–2014	Retrospective cohort	2	14,944	Univariate	6
34	Sodhi, et al. (2020) [56]	North America	2005–2014	Retrospective cohort	2	162,489	Multivariate	6
35	Song, et al. (2012) [57]	Asia-Pacific	2006–2009	Retrospective cohort	1	3422	Univariate/ multivariate	7
36	Surin, et al. (1983) [25]	Europe	1970–1977	Retrospective cohort	3–10	803	Univariate	5
37	Tai, et al. (2014) [58]	Asia-Pacific	1997–2003	Prospective cohort	10	1420	Univariate	5
38	Triantafyllopoulos, et al. (2018) [59]	North America	1999–2013	Retrospective cohort	8.6	36,494	Univariate/ multivariate	7
39	Vannini, et al. (1984) [15]	Europe	1969–1979	Prospective case-control	2.9	1042	Univariate	5
40	Wilson, et al. (2020) [60]	North America	2009–2017	Retrospective cohort	1	8559	Multivariate	6