Outcome in conservatively treated patients with basilar stroke
| Reference | Number of patients | Poor outcome | Favorable outcome |
| Voetsch et al2 (NEMC Posterior Circulatory Registry) | 87 | 29% (dead or dependent) | 71% (mild or moderate disability) |
| Devuyst et al9 (Lausanne Registry) | 43 | 54% (dead or dependent: score IV–V) | 46% (mild or moderate disability: score I–III) |
| Archer and Horenstein10 | 20 | 95% (dead or dependent) | 5% (mild disability) |
| Kubik and Adams11 | 22 | 82% (dead or dependent) | 18% (mild-moderate disability) |
| Mehler12 | 61 | 23% (dead or severe functional deficit) | 77% (mild or no deficit) |
| Kim et al13 | 40 | 70% (modified Rankin score 3–6) | 30% (modified Rankin score 0–2) |
| Schonewille et al14 | 82 | 79% (modified Rankin score 4–6) | 21% (modified Rankin score 0–3) |
| Hacke et al15 | 22 | 86% (death) | 14% (minor neurological deficit) |
| Moscow and Newton16 | 9 | 66% (severe disability or death) | 44% (minor deficit) |