Table 1.
Basic characteristics and document quality scores of included documents.
| Study | Study design | Studies assessment scale |
|---|---|---|
| Lipińska, 2021 | CCT | 7 |
| Ahmed, 2021 | CCT | 8 |
| Sanmartin, 2020 | CCT | 7 |
| Raj, 2020 | CCT | 7 |
| Xiang, 2019 | CCT | 7 |
| Lee, 2019 | CCT | 8 |
| Daniluk, 2019 | CCT | 8 |
| Machura, 2018 | CCT | 7 |
| Dogru, 2018 | CCT | 7 |
| Su, 2017 | CCT | 8 |
| D'Auria, 2017 | CCT | 9 |
| Sharma, 2017 | CCT | 7 |
| Cheon, 2015 | CCT | 8 |
| Di Filippo, 2015 | CCT | 7 |
| Wang, 2014 | CCT | 7 |
| El Taieb, 2013 | CCT | 7 |
| Lara, 2019 | RCT | 5 |
| Amestejani, 2012 | RCT | 6 |
| Javanbakht, 2011 | RCT | 6 |
| Camargo, 2014 | RCT | 4 |
| Mansour, 2020 | RCT | 6 |
| Sidbury, 2008 | RCT | 5 |
RCT: randomized controlled trial; CCT: controlled clinical trial; studies' assessment scale: RCT study uses the modified Jadad scale; CCT study uses Newcastle-Ottawa scale.