Table 1.
Design and baseline characteristics of included trials.
| Trial, year | Sample size | Mean age (year) | (%) males | PND | ReBl | LaReBl | ReInt | Mortal | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Su | SRS | Su | SRS | Su | SRS | Su | SRS | Su | SRS | Su | SRS | Su | SRS | Su | SRS | |
| Porter et al. (11) | 86 | 3 | 37 | 37 | 38 | 38 | 10 | 0 | 3 | 3 | 0 | 0 | 3 | 3 | 7 | 0 |
| Mathiesen et al. (9) | 22 | 5 | – | – | 42 | – | 5 | 1 | 3 | 2 | 0 | 2 | 0 | 0 | 0 | 0 |
| Lunsford et al. (23) | 17 | 49 | 39 | 39 | 56 | 56 | 0 | 14 | 17 | 22 | 0 | 5 | 0 | 4 | 0 | 2 |
| Kida et al. (22) | 8 | 140 | 35.6 | 38.6 | – | – | – | 4 | 0 | 10 | – | – | – | – | 0 | 0 |
| Frischer et al. (20) | 24 | 23 | 37.4 | 43.7 | – | – | 1 | 2 | 8 | 2 | 3 | 1 | 3 | 0 | 0 | 0 |
| Haciyakupoglu et al. (21) | 11 | 8 | 33.6 | 33.3 | 54 | 62 | 0 | 1 | 0 | 2 | 0 | 0 | 0 | 1 | 0 | 0 |
Mortal, postoperative mortality; PND, permanent neurologic deficit; ReBl, rebleeding; LaReBl, late rebleeding; ReInt, re-intervention; Su, surgical; SRS, radiosurgery.