Table 2.
Main characteristics and quality assessment of the selected articles
| Study (year) | Good recovery | Death | Follow-up | Outcome measurement | Quality score |
|---|---|---|---|---|---|
| (NE/C) | (NE/C) | ||||
| Nakano (2003) [14] | 4/2 | 0/0 | NA | GOS | 5 |
| Qiu (2003) [15] | 18/13 | 2/NA | 6 | GOS | 7 |
| Cho (2006) [10] | NA | 0/4 | 6 | BI | 6 |
| Zhu (2011) [16] | 7/3 | 2/5 | 3 | GOS | 7 |
| Chi (2014) [17] | 111/319 | 15/14 | 3-6 | ADL | 7 |
| Zhang H (2014) [11] | 11/4 | 0/3 | 6-20 | GOS | 5 |
| Wang W (2015) [18] | NA | 2/1 | 6-12 | GOS | 7 |
| Yamashiro (2015) [19] | 5/4 | 0/1 | NA | mRS | 6 |
| Feng (2016) [12] | 60/39 | 6/8 | 6 | ADL | 6 |
| Cai (2017) [20] | NA | 1/3 | Discharge | GCS | 7 |
| Li Y (2017) [21] | NA | 6/8 | 6 | GOS | 7 |
| Xu (2017) [22] | 30/11 | 15/18 | 6 | mRS | 7 |
| Eroglu (2018) [23] | NA | 2/4 | 6 | GOS | 7 |
| Zhang J (2018) [13] | 59/39 | 0/0 | 3 | GOS | 7 |
NE endoscopic surgery, C Craniotomy, RCT Randomized controlled trial, NA Not available, GOS Glasgow Outcome Scale, BI Barthel Index, ADL activities of daily living score, mRS modified Rankin Scale, GCS Glasgow Coma Scale
The Cochrane criteria and Newcastle-Ottawa scale were used to assess the quality of RCT and non-RCT, respectively