Table 2.

Reperfusion outcomes of different primary MT strategies.

	TICI 2c-3		TICI 0-2b		P-value	TICI 2b-3		TICI 0-2a		P-value
	HU	n	HU	n		HU	n	HU	n
First-pass outcome	65.99 ± 8.44	17	64.56 ± 11.03	47	0.630	67.18 ± 9.46	20	63.92 ± 10.70	44	0.246
Primary SR	71.39 ± 8.47	6	59.07 ± 12.08	15	0.035	69.64 ± 9.01	7	59.06 ± 12.54	14	0.062
Primary CA	57.45 ± 5.22	5	66.68 ± 10.06	21	0.061	60.44 ± 8.69	6	66.24 ± 10.12	20	0.217
Primary Solumbra	67.70 ± 4.80	6	68.00 ± 9.26	11	0.942	70.49 ± 8.59	7	66.07 ± 7.07	10	0.286
Primary strategy outcome	65.34 ± 9.97	29	64.61 ± 10.82	35	0.781	66.01 ± 10.22	34	63.72 ± 10.56	30	0.383
Primary SR	68.07 ± 11.10	9	58.50 ± 12.0	12	0.078	67.18 ± 10.84	10	58.42 ± 12.63	11	0.106
Primary CA	59.91 ± 10.68	10	68.02 ± 8.34	16	0.040	61.98 ± 10.88	12	67.41 ± 8.70	14	0.170
Primary Solumbra	68.31 ± 5.95	10	67.30 ± 10.41	7	0.802	69.07 ± 8.36	12	65.08 ± 6.11	5	0.353
Final outcome	64.76 ± 9.22	49	65.52 ± 13.84	15	0.805	65.27 ± 9.42	57	62.19 ± 17.01	7	0.462
Primary SR	64.38 ± 9.92	16	56.87 ± 18.45	5	0.245	64.07 ± 9.69	17	56.30 ± 21.26	4	0.269
Primary CA	63.36 ± 10.28	21	71.39 ± 5.10	5	0.106	64.65 ± 10.28	24	67.90 ± 5.30	2	0.667
Primary Solumbra	67.72 ± 5.56	12	68.31 ± 12.57	5	0.892	67.49 ± 7.87	16	74.35	1	NA

Thrombus density are shown as mean HU ± SD.

SR, stent retriever; CA, contact aspiration; Solumbra, a combination of stent retriever and aspiration; HU, Hounsfield unit; NA, not available.