Outcome 90 days after stroke symptom onset comparing the intervention and control groups*
| Outcome | Endovascular group (n (%)) | Control group (n (%)) | OR (95% CI) | p Value |
|---|---|---|---|---|
| mRS 0–2 (functional outcome) | 380 (46) | 205 (28) | 2.21 (1.78 to 2.74) | <0.00001 |
| mRS 0–1 (excellent outcome) | 235 (29) | 101 (14) | 2.46 (1.89 to 3.22) | <0.00001 |
| mRS 0–3 | 509 (62) | 320 (43) | 2.15 (1.75 to 2.64) | <0.00001 |
| Mortality | 125 (15) | 146 (20) | 0.73 (0.56 to 0.96) | 0.02 |
| Symptomatic intracerebral hemorrhage | 41 (5) | 34 (5) | 1.05 (0.65 to 1.68) | 0.85 |
| mRS 5–6 | 188 (23) | 249 (33) | 0.58 (0.46 to 0.73) | <0.00001 |
*Subgroup from IMS-III with CT angiography verified vessel occlusion.
IMS-III, Interventional Management of Stroke-III; mRS, modified Rankin Scale score.