Table 2.

Spoke Characteristics from 2003 to 2018

Spoke Characteristic	Mean (SD) unless otherwise specified (N = 43)	Kτ Coefficient from 2003–2018	P-Value
Institution Characteristics
Number of staffed bed	180.1 (152.6)	0.33*	0.08
Rural, N (%)	11 (25.6)	−0.08	0.65
Teaching, N (%)	18 (50.0)	0.24	0.21
Certified Primary Stroke Center, N (%)	29 (67.4)	−0.51	<0.01
Demographics
Median age, years	66.3 (5.4)	−0.49†	<0.01
Percent of female patient consultations	50.1 (4.5)	−0.24†	0.19
Percent of Caucasian patient consultations	71.3 (11.0)	−0.76†	<0.01
Case Mix Indicators
Median NIHSS	5.9 (2.3)	0.25†	0.17
Percent of patients with atrial fibrillation	14.2 (3.3)	−0.21†	0.24
Stroke Metrics
Telestroke consults per year	39.5 (34.3)	0.85†	<0.01
Median door-to-needle time, minutes	75.7 (16.1)	0.38‡	0.04
Number of patients treated with IV-tPA per year	10.4 (15.9)	0.91†	<0.01
Percent of eligible patients treated with alteplase	66.2 (20.8)	0.11†	0.56

^*Abbreviations: NIHSS or National Institutes of Health Stroke Scale only recorded if video used; ED, emergency department; IV, intravenous; LSW, last seen well; N, number with complete data for each variable if incomplete

^*% Staffed beds > 100

^†% spokes with variable > than median of the variable among all spokes

^‡% spokes with door-to-needle time < median door-to-needle time of all spokes