Table 5.
Comparison of Patient Outcomes in the RRR Database Versus Previously Published IAT and IV‐tPA Randomized Controlled Studies
| Study Group | LKN‐to‐Treatment, Mean Minutes (STD) | % Good Outcome Rate | Median NIHSS |
|---|---|---|---|
| RRR: IAT <150 minutes | 108 (28) | 53.5 | 17 |
| RRR: IAT 150 to 207 minutes | 178 (18) | 48.5 | 19 |
| RRR: IAT 208 to 259 minutes | 231 (16) | 38.9 | 18 |
| RRR: IAT 260 to 329 minutes | 290 (19) | 31.6 | 18 |
| RRR: IAT ≥330 minutes | 411 (63) | 26.8 | 17 |
| IMS III: IV tPA arm15 | 121 (34) | 38.7 | 16 |
| IMS III: IAT arm15 | 208 (47) | 40.8 | 17 |
| Lancet 2010: IV tPA pooled, <90 minutes group23 | 90 (N/A) | 48 | 11 |
IAT indicates intra‐arterial therapy; IMS, Interventional Management of Stroke; LKN, last known normal; N/A, not available; NIHSS, NIH Stroke Scale; RRR, Rapid Reperfusion Registry; t‐PA, tissue plasminogen activator.