Table 2.

Protocol Metrics and Outcomes Pre- and Post-VSA.

	Pre-VSA 1/1/2009–2/28/2011 N=132	Post-VSA 3/1/2011–3/1/2012 N=87	P-value
Door-to-Needle Time, min*	60 [46,73]	39 [28,56]	<0.0001
% Patients with DNT ≤60min	52%	78%	<0.0001
Onset-to-Needle Time, min*	131 [105,165]	111 [80,158]	0.016
Door-to-CT Time**, min*	16 [10,22]	1 [0,4]	<0.0001
Door-to-CBC Time**, min*	22 [16,29]	24 [17,34]	0.13
Door-to-PTT Time**, min*	34 [29,42]	40 [31,47]	0.14
Symptomatic ICH	3.0%	3.4%	1.0
Favorable Discharge Location+	76%	83%	0.24
90 day mRS 0–2++	49%	43%	0.34
Length of Hospital Stay, days*	4 [3,7]	3 [2,6]	0.056
Stroke Mimic	6.8%	11.5%	0.33

CBC=Complete blood count

PTT=partial thromboplastin time

ICH=intracerebral hemorrhage

^*Reported as median [interquartile ratio].

^**Times represent time-to-test-completion.

⁺Favorable discharge location=discharge to home or inpatient rehabilitation; unfavorable ischarge location=discharge to nursing home or in-hospital death

⁺⁺90 day mRS=Modified Rankin Score of 0–2 on telephone follow-up.