Table 2.

Protocol intervals before and after the resident-based protocol (average time in minutes)

	1998–2002 N = 59	2004–2007 N=113	P-value	Feb–Dec 2004 N=29	Jan–Dec 2005 N=27	Jan–Dec 2006 N=36	Jan–Jul 2007 N=21
Door-to-stroke page	---	3	---	5	6	1	0
Door-to-evaluation time	---	10	---	15	11	8	1
Door-to-labs drawn time	---	18	---	23	19	14	10
Door-to-head CT completion time	---	23	---	30	25	18	17
Door-to-needle time	81	60	< 0.001	68	66	55	51 *
Onset-to-needle time	138	126	< 0.05	130	126	116	131
Onset-to-needle time < 2 hours	30%	47%	< 0.05	38%	52%	55%	41%

^*From 2004 to 2007, door-to-needle times decreased with each successive year, p < 0.05, one-way ANOVA.