Table 1.

Characteristics of the study cohort

	n=65
Age (years), mean ± SD	64.7 ± 15.4
Sex, male, N (%)	35 (53.8%)
Comorbidities, N (%)
Diabetes	16 (24.6%)
Hypertension	48 (73.8%)
Hyperlipidemia	35 (53.8%)
Atrial fibrillation	20 (30.7%)
Prior stroke	11 (16.9%)
Treatment, N (%)
IV tPA	26 (40.0%)
Randomized to endovascular intervention	33 (50.8%)
Laterality (left), N (%)	34 (52.3%)
Admission NIHSS, median [IQR]	17 [13–21]
90-day mRS, median [IQR]	4 [3, 5]
Time from LSW to MRI (hrs), mean ± SD	4.6 ± 1.4
Time from baseline to follow up MRI (days), median [IQR]	7 [6,7]
Admission ADC volume (mL), median [IQR]	39.7 [17.1–89.7]
Follow up ADC volume (mL), median [IQR]*	97.6 [43.6–191]
Swelling volume (mL), median [IQR]	23 [3.7–38]
Admission ADC ratio, mean ± SD	67.4 ± 7.63%
Follow up ADC ratio, mean ± SD*	81.1 ± 13.5%
AOL 2–3 on day 7 MRA/CTA, n (%)	51 (81.0%)

^*Follow up scans were analyzed in 61 patients; 3 subjects were excluded due to development of bilateral stroke, 1 subject had missing follow up diffusion images