Penumbra Pattern Assessment in Acute Stroke Patients: Comparison of Quantitative and Non-Quantitative Methods in Whole Brain CT Perfusion - Table 4

* defined by a mismatch of ≥30% in combination with an infarct core of ≤90 ml.
†defined by an ASECTS-mismatch of ≥1 point.
ASPECTS: Alberta Stroke Programme Early CT Score.
doi:10.1371/journal.pone.0105413.t004
Visual and ASPECTS penumbra classification in comparison to penumbra classification based on volumetry, N = 29.

* 判定标准为不匹配度≥30%且梗死核心体积≤90 mL。
† 判定标准为ASPECTS不匹配度≥1分。
ASPECTS：阿尔伯塔卒中项目早期CT评分（Alberta Stroke Programme Early CT Score）
doi:10.1371/journal.pone.0105413.t004
本研究对比了基于视觉评估与ASPECTS的半暗带分类结果，与基于容积分析法的半暗带分类结果，样本量N=29。