Table 2.
Mean Dice scores and (standard deviations) for the comparisons of ground-truths in IAR (n = 33), IVR (n = 23), and NR (n = 34) patients with tissue outcome predictions.
| Cohort | Model | All voxels | Stratified Random Sampling | ||||
|---|---|---|---|---|---|---|---|
| Absolute | Contralateral | VOI | Absolute | Contralateral | VOI | ||
| IAR | RF | 0.399 (0.267) | 0.382 (0.267) | 0.376 (0.271) | 0.445 (0.231) | 0.450 (0.233) | 0.456 (0.231) |
| GLM | 0.320 (0.244) | 0.305 (0.243) | 0.319 (0.241) | 0.350 (0.198) | 0.346 (0.193) | 0.360 (0.204) | |
| KNN | 0.318 (0.234) | 0.304 (0.226) | 0.299 (0.219) | 0.362 (0.221) | 0.317 (0.190) | 0.326 (0.194) | |
| IVR | RF | 0.420 (0.249) | 0.430 (0.245) | 0.428 (0.237) | 0.455 (0.256) | 0.453 (0.254) | 0.463 (0.255) |
| GLM | 0.405 (0.236) | 0.426 (0.239) | 0.430 (0.241) | 0.407 (0.241) | 0.419 (0.243) | 0.415 (0.240) | |
| KNN | 0.399 (0.231) | 0.343 (0.247) | 0.343 (0.247) | 0.397 (0.238) | 0.364 (0.227) | 0.378 (0.229) | |
| NR | RF | 0.469 (0.236) | 0.491 (0.235) | 0.480 (0.239) | 0.481 (0.243) | 0.495 (0.244) | 0.473 (0.251) |
| GLM | 0.432 (0.213) | 0.472 (0.208) | 0.432 (0.213) | 0.418 (0.241) | 0.446 (0.235) | 0.423 (0.227) | |
| KNN | 0.367 (0.267) | 0.390 (0.222) | 0.372 (0.223) | 0.430 (0.226) | 0.402 (0.228) | 0.379 (0.225) | |
IAR = Patients recanalized using IA thrombectomy, IVR = Patients recanalized using IV tPA, NR = Non-recanalizing patients, RF = random forest, GLM = generalized linear model, kNN = K-nearest-neighbor. The highest Dice values achieved for each cohort are shown in bold.