Table 2:

Imaging data in patients with insufficient-versus-good collateral flow

Variable	Good Collaterals (n = 22)	Insufficient Collaterals (n = 17)	P Value
Baseline infarct volume (mean) (SD)	29.7 (18.7)	48.3 (30.0)	.021^{^a}
Final infarct volume (mean) (SD)	51.1 (32.4)	81.0 (44.7)	.030^{^a}
ATD^{>6 s} (vol) (mean) (SD)	24.7 (17.4)	42.4 (18.2)	.004^{^a}
ATD^{2–6 s} (vol) (mean) (SD)	64.6 (25.0)	28.2 (17.1)	<.001^{^a}
rCBF^{2–6 s} (mean) (SD)	1.16 (0.18)	0.98 (0.25)	.026^{^a}
rCBV^{2–6 s} (mean) (SD)	1.92 (0.32)	1.17 (0.38)	<.001^{^a}
PCI (mean) (SD)	120.70 (47.6)	36.0 (25.8)	<.001^{^a}
Primary revascularization (DSA-TICI) (No.) (%)^{^b}	12 (54.5)	5 (29.4)	.190

Note:—vol indicates volume.
↵a Significant.
↵b Primary revascularization based on the outcome of thrombectomy, dichotomized to 0 and 1 using TICI ≥ 2b.