Table 1. Characteristics.
| Author (year) | Publication date | Journal | Search Date | # of RCTs |
|---|---|---|---|---|
| Liu B (2020) | August 2020 | Medicine | December 2018 | 15 |
| Kong (2020) | June 2020 | Experimental and Therapeutic Medicine | February 2019 | 16 |
| Li N (2020) | February 2020 | Medicine | December 2018 | 8 |
| Luo X (2012) | December 2011 | Archives of Orthopaedic and Trauma Surgery | December 2010 | 8 |
| Kumar P (2019) | January 2019 | European Journal of Orthopaedic Surgery & Traumatology | February 2018 | 4 |
| Azegami S (2011) | September 2011 | HIP International | September 2009 | 8 |
| Li T (2013) | July 2013 | PLOS One | December 2012 | 7 |
| Ning G (2014) | December 2012 | European Journal of Orthopaedic Surgery & Traumatology | March 2012 | 12 |
| Lin FF (2019) | February 2019 | Medicine | February 2016 | 7 |
| Veldman HD (2017) | April 2017 | The Bone & Joint Journal | April 2016 | 5 |
| Nantha Kumar N *(2020) | August 2020 | The Bone & Joint Journal | February 2020 | 18 |
| Li L (2021) | June 2021 | Archives of Orthopaedic and Trauma Surgery | January 2020 | 11 |