Number | Studies | Country | Centers | Study period | Patients | Gender | |||||
---|---|---|---|---|---|---|---|---|---|---|---|
Start | End | LG | OG | LG | OG | ||||||
Male | Female | Male | Female | ||||||||
1 | Cai et al. (2011) [21] | China | Single-center | 2008.3 | 2009.12 | 49 | 47 | 39 | 10 | 37 | 10 |
2 | Chen et al. (2012) [46] | China | Multi-centers | 2009.1 | 2011.5 | 41 | 41 | 20 | 21 | 21 | 20 |
3 | Cui et al. (2015) [20] | China | Single-center | 2010.1 | 2012.12 | 128 | 142 | 88 | 40 | 98 | 44 |
4 | Hayashi et al. (2005) [32] | Japan | Single-center | 1999.12 | 2001.11 | 14 | 14 | 9 | 5 | 13 | 1 |
5a | Hu et al. (2016) [45] | China | Multi-centers | 2012.9 | 2014.12 | 519 | 520 | 380 | 139 | 346 | 174 |
5a | Huang et al. (2022) [34] | China | Multi-centers | 2012.9 | 2014.12 | 519 | 520 | 380 | 139 | 346 | 174 |
5a | Yu et al. (2019) [38] | China | Multi-centers | 2012.9 | 2014.12 | 519 | 520 | 380 | 139 | 346 | 174 |
6 | Huscher et al. (2005) [5] | Italy | Single-center | 1992.11 | 1996.2 | 30 | 29 | 18 | 12 | 21 | 8 |
7 | Hyung et al. (2020) [37] | Republic of Korea | Multi-centers | 2011.11 | 2015.4 | 492 | 482 | 351 | 141 | 335 | 147 |
8a | Katai et al. (2017) [43] | Japan | Multi-centers | 2010.3.15 | 2013.11.29 | 457 | 455 | 289 | 173 | 275 | 184 |
8a | Katai et al. (2020) [36] | Japan | Multi-centers | 2010.3.15 | 2013.11.29 | 457 | 455 | 289 | 173 | 275 | 184 |
9a | Kim et al. (2008) [30] | Republic of Korea | Single-center | 2003.7 | 2005.11 | 82 | 82 | 47 | 35 | 52 | 30 |
9a | Kim et al. (2013) [29] | Republic of Korea | Single-center | 2003.7 | 2005.11 | 82 | 82 | 47 | 35 | 52 | 30 |
10 | Kim et al. (2010) [47] | Republic of Korea | Multi-centers | 2006.1.1 | 207.7.19 | 179 | 61 | 116 | 63 | 111 | 52 |
11a | Kim et al. (2016) [44] | Republic of Korea | Multi-centers | 2006.2.1 | 2010.8.31 | 644 | 612 | 425 | 219 | 412 | 200 |
11a | Kim et al. (2019) [41] | Republic of Korea | Multi-centers | 2006.1.5 | 2010.8.23 | 673 | 686 | 448 | 225 | 458 | 228 |
12 | Kitano et al. (2002) [33] | Japan | Single-center | 1998.10 | 2001.3 | 14 | 14 | 9 | 5 | 8 | 6 |
13 | Lee et al. (2005) [31] | Republic of Korea | Single-center | 2001.11 | 2003.8 | 24 | 23 | 11 | 13 | 15 | 8 |
14 | Lee et al. (2019) [40] | Republic of Korea | Multi-centers | 2011.11 | 2015.4 | 513 | 498 | 370 | 143 | 346 | 152 |
15 | Li et al. (2019) [14] | China | Single-center | 2015.4.23 | 2017.11.16 | 47 | 48 | 33 | 14 | 33 | 15 |
16 | Liu et al. (2020) [12] | China | Single-center | 2017.1 | 2018.10 | 105 | 109 | 75 | 30 | 80 | 29 |
17 | Park et al. (2018) [42] | Republic of Korea | Multi-centers | 2010.6 | 2011.10 | 100 | 96 | 69 | 31 | 65 | 31 |
18 | Sakuramoto et al. (2013) [28] | Japan | Single-center | 2005.10 | 2008.2 | 31 | 32 | 14 | 17 | 7 | 25 |
19 | Sayed et al. (2021) [22] | Egypt | Single-center | 2017.1 | 2019.12 | 16 | 20 | 13 | 7 | 11 | 5 |
20a | Shi et al. (2018) [24] | China | Single-center | 2010.1 | 2012.6 | 162 | 160 | 120 | 42 | 105 | 55 |
20a | Shi et al. (2019) [23] | China | Single-center | 2010.1 | 2012.6 | 161 | 156 | 120 | 41 | 101 | 55 |
21 | Takiguchi et al. (2013) [27] | Japan | Single-center | 2003.7 | 2006.1 | 20 | 20 | 12 | 8 | 13 | 7 |
22 | van der Veen et al. (2021) [35] | Netherlands | Multi-centers | 2015 | 2018 | 115 | 110 | 68 | 47 | 72 | 38 |
23 | van der Wielen et al. (2021) [13] | Netherlands | Multi-centers | 2015.1 | 2018.6 | 47 | 49 | 28 | 19 | 32 | 17 |
24 | Wang et al. (2019) [39] | China | Multi-centers | 2014.3 | 2017.8 | 222 | 220 | 144 | 78 | 133 | 87 |
25 | Yamashita et al. (2016) [26] | Japan | Single-center | 2005.1 | 2008.2 | 31 | 32 | 14 | 17 | 7 | 25 |
26 | Zhou et al. (2017) [25] | China | Single-center | 2012 | 2015 | 100 | 100 | 50 | 50 | 50 | 50 |