Research Article
[Retracted] Evaluation of Ischemic Penumbra in Stroke Patients Based on Deep Learning and Multimodal CT
Table 3
Comparison of ischemic penumbra and infarct volume in different collateral circulation grades (
).
| | Collateral classification | | | Measurement index | Level 0 | Level 1 | Level 2 | Level 3 | Level 4 | value |
| | Baseline infarct volume, ml | 72.8 | 68.5 | 59.6 | 29.7 | 16.5 | 0.001 | | Baseline penumbra volume mlrapd | 48.6 | 49.6 | 91.3 | 158.6 | 192.9 | 0.001 | | R VPD | 0.710.22 | 0.830.38 | 1.92.3 | 5.113.72 | 11.34.5 | 0.012 | | Final infarct volume, ml | 70.7 | 59.6 | 48.3 | 19.6 | 9.1 | 0.001 |
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