Table 2. Individual Performance Measures and Summary Measures by Cerebrovascular Event Type.
| Variable | IS (n = 838 229 [83.3%]) | TIA (n = 64 929 [6.4%]) | ICH (n = 85 705 [8.5%]) | SAH (n = 11 241 [1.1%]) | SNC (n = 6694 [0.7%]) | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| No./total No. | Frequency, % (95% CI) | No./total No. | Frequency, % (95% CI) | No./total No. | Frequency, % (95% CI) | No./total No. | Frequency, % (95% CI) | No./total No. | Frequency, % (95% CI) | |
| Acute performance measures | ||||||||||
| IV-rtPA administration ≤4.5 h | 43 749/191 389 | 22.9 (22.7-23.1) | NA | NA | NA | NA | NA | NA | NA | NA |
| Early antithrombotics | 702 177/822 296 | 85.4 (85.3-85.5) | 54 701/63 826 | 85.7 (85.4-86.0) | NA | NA | NA | NA | NA | NA |
| DVT prophylaxis | 44 524/260 578 | 17.1 (16.9-17.2) | NA | NA | 12 408/51 337 | 24.2 (23.8-24.5) | 1556/6504 | 23.9 (22.9-25.0) | 119/1924 | 6.2 (5.1-7.3) |
| Dysphagia screen | 653 804/838 229 | 78.0 (77.9-78.1) | NA | NA | 61 334/85 705 | 71.6 (71.3-71.9) | 7092/11 241 | 63.1 (62.2-64.0) | 3859/6694 | 57.7 (56.5-58.8) |
| Rehabilitation | 615 991/838 229 | 73.5 (73.4-73.6) | NA | NA | 62 228/85 705 | 72.6 (72.3-72.9) | 6513/11 241 | 57.9 (57.0-58.9) | 4426/6694 | 66.1 (65.0-67.3) |
| Discharge performance measures | ||||||||||
| Antithrombotics | 717 843/812 839 | 88.3 (88.2-88.4) | 56 076/63 783 | 87.9 (87.7-88.2) | NA | NA | NA | NA | NA | NA |
| Anticoagulants for AF | 24 774/59 323 | 41.8 (41.4-42.2) | 906/2385 | 38.0 (36.0-39.9) | NA | NA | NA | NA | NA | NA |
| BP lowering for hypertension | 403 734/629 678 | 64.1 (64.0-64.2) | 27 519/42 595 | 64.6 (64.2-65.1) | 60 633/72 380 | 83.8 (83.5-84.0) | 4615/6689 | 69.0 (67.9-70.1) | 2543/3820 | 66.6 (65.1-68.1) |
| Glucose lowering for hyperglycemia | 180 547/229 650 | 78.6 (78.5-78.8) | 10 721/13 828 | 77.5 (76.8-78.2) | 7596/10 974 | 69.2 (68.4-70.1) | 598/1033 | 57.9 (54.9-60.9) | 915/1324 | 69.1 (66.6-71.6) |
| Statin for LDL-C ≥100 mg/dL or ND | 744 714/828 591 | 89.9 (89.8-89.9) | 57 899/64 538 | 89.7 (89.5-90.0) | NA | NA | NA | NA | NA | NA |
| Smoking cessation intervention | 191 588/199 195 | 96.2 (96.1-96.3) | 12 978/13 482 | 96.3 (95.9-96.6) | 15 572/16 535 | 94.2 (93.8-94.5) | 1502/1620 | 92.7 (91.5-94.0) | 772/808 | 95.5 (94.1-97.0) |
| Summary measures | ||||||||||
| Composite score, mean (SD) | 0.76 (0.21) | 0.83 (0.24) | 0.68 (0.28) | 0.57 (0.31) | 0.61 (0.30) | |||||
| All-or-none binary variable | 197 768/838 229 | 23.6 (23.5-23.7) | 36 217/64 929 | 55.8 (55.4-56.2) | 24 242/85 705 | 28.3 (28.0-28.6) | 2381/11 241 | 21.2 (20.4-21.9) | 1560/6694 | 23.3 (22.3-24.3) |
Abbreviations: AF, atrial fibrillation; BP, blood pressure; DVT, deep vein thrombosis; ICH, intracerebral hemorrhage; IS, ischemic stroke; IV-rtPA, intravenous recombinant tissue plasminogen activator; LDL-C, low-density lipoprotein cholesterol; NA, not applicable; ND, not documented; SAH, subarachnoid hemorrhage; SNC, stroke not classified; TIA, transient ischemic attack.
SI conversion factor: To convert LDL-C to millimoles per liter, multiply by 0.0259.