Table 2.
Patient outcome and complications compared in ten studies
| Author | Year | Treatment | EVD in CM group | Outcome assessment | Good outcome | P value | Mortality rate | P value | Follow-up (months) | ||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Surgery | Control | Surgery | Control | ||||||||
| ZHANG SW | 2019 | Stereotactic aspiration | Yes | mRS < 3 |
7/19 36.8% |
6/36 16.7% |
0.094 |
4/19 21.1% |
16/36 44.4% |
0.086 | 3 |
| LAN ZG | 2019 | Microscope | No | mRS < 3 |
11/46 23.9% |
45/240 18.8% |
0.419 |
14/46 30.4% |
169/240 70.4% |
< 0.001 | 6 |
| LV CL | 2019 | Stereotactic aspiration | No | NIHSS ↓45% |
25/43 58.1% |
20/65 30.8% |
0.005 |
4/43 9.3% |
12/65 18.5% |
0.190 | 3 |
| ZHANG YQ | 2017 | Aspiration | No | Barthel index > 40 |
8/32 25.0% |
1/33 3.0% |
0.010 |
18/32 56.3% |
27/33 81.8% |
0.026 | 3 |
| HUANG KY | 2016 | Microscope | YES | NIHSS ↓45% |
17/30 56.7% |
12/30 40.0% |
0.196 |
4/30 13.3% |
11/30 36.7% |
0.037 | 12 |
| ZONG L | 2016 | Microscope | No | Barthel index > 60 |
4/8 50.0% |
11/32 34.4% |
0.414 |
2/8 25.0% |
13/32 40.6% |
0.414 | 3 |
| CHEN QM | 2015 | Microscope | No | GOS > 3 |
1/15 6.7% |
0/30 0% |
0.333* |
9/15 60.0% |
29/30 96.7% |
0.001 | 3 |
| KU HB | 2014 | Stereotactic aspiration | Yes | NIHSS ↓45% |
25/64 39.0% |
9/72 12.5% |
< 0.001 |
13/64 30.3% |
42/72 58.3% |
< 0.001 | 1 |
| WANG J | 2014 | Microscope | No | GOS > 3 |
10/37 27.2% |
4/91 4.4% |
< 0.001 |
14/37 37.8% |
58/91 63.7% |
0.007 | 3 |
| HUANG JL | 2010 | Stereotactic aspiration | No | GOS > 3 |
5/10 50.0% |
0/11 0% |
0.012* |
2/10 20.0% |
11/11 100.0% |
< 0.001* | 6 |
CM conservative treatment, EVD external ventricular drainage, GOS Glasgow Outcome Scale, mRS modified Rankin scale, NIHSS National Institute of Health stroke scale, *Fisher’s exact test, bold type indicates significant difference (P < 0.05)