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American Journal of Neuroradiology

Comparison between the series from Le Roux et al and our series after including patients who had moderate disability

HH Scale Grade	Le Roux et al^2,3	Natarajan et al¹
HH Scale Grade	Favorable Outcomes (good-to-moderate disability, GOS 4 and 5) at 6 months (%)	Favorable Outcomes (good-to-mild disability, mRS 0–2) at 3 months (%)	Favorable Outcomes (good-to-moderate disability, including mRS 0–3) at 3 months (%)
I	97	86	93
II	88	85	89
III	81	57	80
IV	54	60	80
V	24	35	49