Table 1 Summary of study characteristics
Study characteristic | |
|---|---|
Patients in multivariable analysis – median (IQR) | 104 (80–154) |
Study design – n (%) | |
  Single-center | 17 (63) |
  Multi-center | 7 (26) |
  Retrospective | 24 (89) |
  Prospective | 3 (11) |
  Cohort | 26 (96) |
  Case–control | 1 (3) |
Length of follow up – n (%) | |
  median (IQR) | 6 (3–12) |
  < 6 months | 15 (56) |
  > 6 months | 11 (41) |
  Not reported | 1 (3) |
Definition of favorable outcome by mRS – n (%) | 19 (70) |
  mRS 0–1 | 1 (4) |
  mRS 0–2 | 9 (33) |
  mRS 0–3 | 8 (30) |
  mRS 0–4 | 1 (4) |
Definition of favorable outcome by GOS – n (%) | 7 (26) |
  GOS 4–5 | 8 (30) |
No definition of favorable outcome reported – n (%) | 1 (4) |
Studies that have exclusively included patients that were WFNS or H–H grade V – n (%) | 5 (19) |
Mean percentage of patients that received aneurysm treatmenta – (%) | 76 |
Studies that included only patients that received aneurysm treatmenta – n (%) | 16 (60) |