Pham et al. 1233 Table 1. (Continued) Characteristics Clot location M1 M2 M3 Internal carotid artery Common carotid artery Final infarct volume (ml) Midline shift (mm) Baseline imaging Study site Center 1a SOMATOM definition FLASH SOMATOM definition FORCE Center 2 Baseline CT perfusion volumes Tmax (ml) Core volume (ml) Mismatch volume (ml) Time from EVT to follow-up imaging (h) Time from reperfusion to follow-up imaging (h) Time from symptoms onset to follow-up imaging (h) Thrombectomy procedural characteristics Procedural time (min), median (IQR) Stent retriever used first line Aspiration or combined technique used first line Number of passes Internal carotid artery stent insertionb Balloon angiography appliedb Verapamil used eTICI score 0-2a 2b-3 88 (70.4) 80 (64) 8 (6.4) 37 (29.6) 90 (78.4) 128.5 (86-183.8) 17 (0-60) 89 (59-128.3) 23.6 (17.1 - 25.6) 23.0 (16.3-24.7) 29.3 (23.7-34.1) 39 (22-68) 80 (64) 45 (36) 1 (1-2) 29 (23.2) 23 (18.4) 14 (11.2) 4 (3.2) 120 (96.8) Univariable analyses between ∆adjustmentNWU and patient characteristics were performed. IQR: inter-quantile range; NIHSS: National Institutes of Health Stroke Scale; CT: computed tomography; EVT: endovascular thrombectomy; eTICI: extended-Thrombolysis-in-Cerebral-Ischemia; Tmax: time-to-maximum; DECT: dual-energy CT. aCenter 1 used two scanners (SOMATOM Definition FLASH and SOMATOM Definition FORCE) for DECT. bCarotid stent and balloon angioplasty were performed in addition to thrombectomy using stent retriever, aspiration, or a combination of the two techniques. 0.841 0.229 0.600 0.820 0.912 0.733 0.025 0.331 < 0.001 0.829 0.858 0.950 0.043 N (%)/median (IQR) p Value 0.929 62 (49.6) 23 (18.4) 1 (0.8) 38 (30.4) 1 (0.8) 22.2 (5.74-114.4) 0 (0-2.1) 0.040 0.309 0.042 International Journal of Stroke, 18(10)