Table 2.
Outcomes by Admission Quarter for All Patients With Ischemic Stroke Admitted to GWTG Participating Hospitals
| Variable | Level | Overall | Jul–Sep | Oct–Dec | Jan–Mar | Apr–Jun | P Value |
|---|---|---|---|---|---|---|---|
| Overall, n | 967 891 | 242 505 | 243 961 | 239 309 | 242 116 | ||
| In hospital mortality, % | Yes | 4.67 | 4.32 | 4.83 | 5.00 | 4.55 | <0.0001 |
| Home discharge, % | Yes | 49.27 | 50.45 | 48.57 | 48.06 | 49.99 | <0.0001 |
| Independent ambulatory status at discharge, % | Yes | 48.80 | 49.96 | 48.39 | 47.48 | 49.37 | <0.0001 |
| LOS >4 d, % | Yes | 39.58 | 38.69 | 40.03 | 40.78 | 38.85 | <0.0001 |
| Door‐to‐CT time, min | Median (Q1–Q3) | 48 (24–93) | 48 (24–94) | 46 (23–91) | 49 (25–95) | 49 (25–94) | <0.0001 |
| Door‐to‐CT <25 min, % | Yes | 25.39 | 25.58 | 26.68 | 24.51 | 24.78 | <0.0001 |
| Door‐to‐needle time | Median (Q1–Q3) | 72 (55–95) | 71 (54–95) | 70 (54–95) | 74 (56–97) | 72 (54–95) | <0.0001 |
| Door‐to‐needle time <60 min, % | Yes | 33.05 | 33.56 | 34.68 | 30.32 | 33.46 | <0.0001 |
| Arrive by 2 and treated by 3 h, % | Yes | 82.26 | 82.47 | 83.47 | 80.79 | 82.21 | <0.0001 |
| Early antithrombotic, % | Yes | 96.93 | 96.97 | 97.06 | 96.71 | 96.97 | <0.0001 |
| VTE prophylaxis, % | Yes | 97.35 | 97.42 | 97.42 | 97.20 | 97.32 | 0.0002 |
| Antithrombotics, % | Yes | 98.56 | 98.56 | 98.67 | 98.45 | 98.55 | <0.0001 |
| Anticoagulation for atrial fibrillation/flutter, % | Yes | 94.69 | 94.62 | 94.75 | 94.84 | 94.54 | 0.3351 |
| Smoking cessation, % | Yes | 97.32 | 97.49 | 97.38 | 97.17 | 97.24 | 0.0295 |
| LDL 100 or ND—statin, % | Yes | 95.14 | 95.34 | 95.31 | 94.81 | 95.07 | <0.0001 |
| Defect‐free measure, % | Yes | 90.87 | 91.10 | 90.92 | 90.56 | 90.91 | <0.0001 |
| Symptomatic intracranial hemorrhage <36 h | Yes | 4.51 | 4.43 | 4.63 | 4.51 | 4.49 | 0.8128 |
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.