| 纳入研究 | 选择 | 可比性 | 暴露 | 总分 |
| 黄德弘，2013 | 3 | 1 | 3 | 7 |
| 商秀丽，2009 | 3 | 1 | 3 | 7 |
| 杨嘉辉，2014 | 3 | 1 | 3 | 7 |
| 黄东明，2012 | 3 | 1 | 3 | 7 |
| 吴甜莺，2015 | 3 | 1 | 3 | 7 |
| 王楠，2015 | 3 | 0 | 3 | 6 |
| 孙小康，2013 | 3 | 1 | 3 | 7 |
| 周颖，2012 | 3 | 2 | 3 | 8 |
| Cankurtaran, 2013 | 3 | 2 | 3 | 8 |
| Carantoni, 2000 | 4 | 2 | 3 | 9 |
| Kim, 2006 | 3 | 2 | 3 | 8 |
| Hatanaka, 2015 | 3 | 1 | 3 | 7 |
| Maesaka, 1993 | 3 | 1 | 3 | 7 |
| Can, 2013 | 2 | 1 | 3 | 6 |
| Baldeirasa, 2008 | 3 | 1 | 3 | 7 |
| Iulianoa, 2010 | 4 | 0 | 3 | 7 |
| Polidori, 2002 | 3 | 1 | 3 | 7 |
| Cervellati, 2013 | 4 | 0 | 3 | 7 |
| Rinaldi, 2003 | 4 | 0 | 3 | 7 |
| Polidori, 2004 | 4 | 2 | 3 | 9 |
| Pulido, 2005 | 3 | 0 | 3 | 6 |
| Al-khateeb, 2015 | 3 | 1 | 3 | 7 |
| Ramdane, 2011 | 3 | 0 | 3 | 6 |
| Cervellati, 2013 | 3 | 2 | 3 | 8 |