Table 4

Association of patient characteristics and stroke service level with quality metrics (binary regression analysis, adjusted for stroke service level).

Characteristics	P-value	Odds ratio	Lower CI	Upper CI
Intravenous thrombolysis rate after admission to the emergency room (yes versus no)
*Baseline characteristics*
Age	<0.001	1.020	1.011	1.028
Gender	0.100	1.196	0.966	1.482
pmRS	0.516	1.029	0.943	1.124
Admission type	<0.001	0.735	0.658	0.823
*Symptoms/severity of stroke at admission*
NIHSS	<0.001	1.044	1.033	1.055
Consciousness*	0.014	0.743	0.586	0.943
Paresis	<0.001	1.583	1.397	1.694
Aphasia	<0.001	1.418	1.199	1.677
Dysarthria	<0.001	1.840	1.559	2.172
Duration of symptoms (<1 h; 1-24 h; >24 h)	<0.001	2.856	2.141	3.810
Hospital (LSU versus CSC)^†	<0.001	0.240	0.163	0.351
Door-to-image-time >30 minutes
*Baseline characteristics*
Age	<0.001	0.988	0.982	0.995
Gender	0.833	0.982	0.830	1.162
pmRS	0.002	0.899	0.841	0.961
Admission type	<0.001	1.182	1.090	1.283
*Symptoms/severity of stroke at admission*
NIHSS	<0.001	0.944	0.934	0.954
Consciousness*	<0.001	0.745	0.630	0.879
Paresis	<0.001	0.654	0.603	0.709
Aphasia	<0.001	0.668	0.578	0.772
Dysarthria	<0.001	0.520	0.452	0.598
Duration of symptoms (<1 h; 1-24 h; >24 h)	<0.001	0.687	0.602	0.783
Hospital (LSU versus CSC)^†	<0.001	2.084	1.668	2.604
Door-to-needle-time >1 hour
*Baseline characteristics*
Age	0.666	0.997	0.983	1.011
Gender	0.921	1.021	0.684	1.523
pmRS	0.141	1.136	0.958	1.347
Admission type	0.157	1.222	0.926	1.612
*Symptoms/severity of stroke at admission*
NIHSS	<0.001	1.050	1.023	1.077
Consciousness*	<0.001	2.349	1.552	3.557
Paresis	0.220	1.154	0.918	1.452
Aphasia	<0.001	1.927	1.348	2.754
Dysarthria	0.221	1.264	0.868	1.842
Duration of symptoms (<1 h; 1-24 h; >24 h)	0.043	0.534	0.290	0.981
Hospital (LSU versus (SC)^†	<0.001	5.355	2.400	11.950
CSC - comprehensive stroke centers, LSU - local stroke unit, pmRS - prestroke modified Rankin Scale, NIHSS - National Institute of Health Stroke Scale *awake, drowsie, comatose; ^†unadjusted, included for comparison