Table 2:

Thrombus volume comparison according to the occlusion site

	ICA group (n = 14)	M1 group (n = 42)	M2 group (n = 22)	P
Mean thrombus volume (mm3)	156.7 ± 125.0	94.1 ± 95.2	26.7 ± 26.7	<.001*
HAS (present/absent)	11/3 (78.6%)	25/17 (59.5%)	10/12 (45.5%)	>.05†

^*Kruskal-Wallis one-way ANOVA test.

^†χ² test.