Table 1 Baseline characteristics of the included studies
Authors | Year | Country | Subjects, n | Mean age, years | Males, n (%) | Type |
|---|---|---|---|---|---|---|
Wang et al. [17] | 2018 | China | 289 | 61.4 | 213 (73.7) | Retrospectively |
Zhang et al. [18] | 2018 | China | 46 | 62.3 | 29 (63.0) | Retrospectively |
Zhang et al. [12] | 2018 | China | 52 | 61.7 | 33 (63.5) | Retrospectively |
Huang et al. [19] | 2017 | China | 38 | 58.7 | 33 (86.8) | Retrospectively |
Gan et al. [20] | 2016 | China | 7 | 64.8 | 6 (85.7) | Prospectively |
Ye et al. [21] | 2016 | China | 23 | 62.3 | 16 (69.6) | Prospectively |
Pioche et al. [22] | 2013 | France | 11 | 64.8 | 9 (81.8) | Retrospectively |
Linghu et al. [23] | 2013 | China | 5 | 68.0 | 3 (60.0) | Retrospectively |
Arantes et al. [24] | 2013 | Brazil | 23 | 68.0 | 19 (82.6) | Prospectively |