Table 3.

Outcomes by Admission Quarter for Patients With Ischemic Stroke Admitted to GWTG Participating Teaching Hospitals

Variable	Level	Overall	Jul–Sep	Oct–Dec	Jan–Mar	Apr–Jun	P Value
Teaching hospitals, n		564 472	142 065	141 868	138 825	141 714
In‐hospital mortality, %	Yes	5.04	4.71	5.21	5.37	4.87	<0.0001
Home discharge, %	Yes	48.83	50.09	48.03	47.51	49.67	<0.0001
Independent ambulatory status at discharge, %	Yes	48.38	49.48	47.99	46.98	49.05	<0.0001
LOS >4 d, %	Yes	41.30	40.41	41.87	42.49	40.46	<0.0001
Door‐to‐CT time, min	Median (Q1–Q3)	50 (25–99)	51 (25–101)	48 (24–97)	51 (25–100)	51 (25–100)	<0.0001
Door‐to‐CT <25 min, %	Yes	24.41	24.53	25.78	23.58	23.73	<0.0001
Door‐to‐needle time	Median (Q1–Q3)	70 (53–93)	70 (53–93)	69 (52–93)	72 (55–95)	70 (53–93)	<0.0001
Door‐to‐needle time <60 min, %	Yes	34.92	34.94	36.54	32.41	35.56	<0.0001
Arrive by 2 h and treated by 3 h, %	Yes	85.25	85.18	86.27	84.31	85.17	0.0008
Early antithrombotic, %	Yes	97.02	97.01	97.15	96.92	96.99	0.0405
VTE prophylaxis, %	Yes	97.57	97.67	97.60	97.41	97.61	0.0066
Antithrombotics, %	Yes	98.66	98.63	98.74	98.63	98.63	0.0431
Anticoagulation for atrial fibrillation/flutter, %	Yes	95.31	95.05	95.32	95.68	95.16	0.0282
Smoking cessation, %	Yes	97.59	97.81	97.61	97.36	97.56	0.0167
LDL 100 or ND—statin, %	Yes	95.79	95.91	95.92	95.58	95.73	0.0022
Defect‐free measure, %	Yes	91.67	91.78	91.66	91.52	91.70	0.1113
Symptomatic intracranial hemorrhage <36 h	Yes	4.50	4.44	4.56	4.58	4.43	0.9128

CT indicates computerized tomography; GWTG, Get With The Guidelines; LDL, low‐density lipoprotein; LOS, length of stay; ND, not determined; Q1–Q3, 25th to 75th percentiles; VTE, venous thromboembolism.