Table 1.
Characteristics of the Studies Included in the Meta-Analysis
| Quality | Sex (Male) | Mean Age (Year) | Sample size | Study design | Year | Author |
| Fair | 103 (51.8%) | 61.6 | 199 | retrospective cohort | 2022 | A Al-Sawat (Al-Sawat et al., 2022) |
| Fair | 43 (52.4%) | 59.56 | 82 | retrospective cohort | 2000 | T Nakagoe (Nakagoe et al., 2000) |
| Good | 865 (55.6%) | 63.5 | 1,555 | retrospective cohort | 2014 | X Cao (Cao et al., 2014) |
| Fair | 391 (52.3%) | 60.58 | 747 | retrospective cohort | 1986 | TB Halvorsen (Halvorsen, 1986) |
| Good | 1532 (53%) | 55.64 | 2891 | Cohort Study | 2017 | JY Huang (Huang et al., 2017) |
| Good | 58477 (55.7%) | 62.4 | 104,885 | Cohort Study | 2011 | H Khalili (Khalili et al., 2011) |
| Good | 955 (59.9%) | 59.54 | 1,620 | case - control | 2012 | Y Urun (Urun et al., 2012) |
| Good | 263 (52.6%) | 51.5 | 500 | case - control | 1984 | MMA Mousseron (Mousseron-Canet, 1984) |
| Good | 4421 (51.3%) | 64.56 | 8,625 | retrospective cohort | 2021 | H Furuhashi (Furuhashi et al., 2021) |
| Good | 714 (54.3%) | 59.3 | 1,314 | retrospective cohort | 2014 | B Li (Li et al., 2014) |
| Good | 461 (60.1%) | 65.95 | 767 | retrospective cohort | 2021 | M Gömeç (Gömeç and Özden, 2021) |
| Good | 663 (51.3%) | 60.21 | 1,290 | prospective cohort | 2015 | W Sun (Sun et al., 2015) |
| Good | 1116 (54.1%) | 61.2 | 2,063 | case - control | 2012 | AS Zhivotovskiy (Zhivotovskiy et al., 2012) |
| Good | 3073 (52.31%) | 60.33 | 5875 | prospective cohort | 2016 | SK Vasan (Vasan et al., 2016) |