In our Delphi analysis, experts agreed on an ENI definition. They did not endorse using different ENI criteria for patients with comorbidities, posterior circulation occlusions, or high baseline NIHSS scores. Further prospective studies are needed to validate or refine ENI definitions and to address the paucity of data on the prognostic utility of ENI in specific clinical scenarios.
Bilgin et al. (Wed,) studied this question.