Table. Baseline Characteristics and Vascular Risk Factors Among Patients Receiving Care at Each Setting.
| Characteristic | Patients by acute-care setting, No./total No. available (%) | |||
|---|---|---|---|---|
| TIA clinic (n = 5636)a | Inpatient (n = 130 136) | Emergency department (n = 3605) | Unspecified (n = 87 303) | |
| Age, mean (SD), y | 65.7 (3.9) | 78.3 (4.0) | 68.9 (3.9) | 70.8 (3.8) |
| Men | 2291/4513 (50.8) | 49 458/128 745 (38.4) | 1596/3046 (52.4)b | 43 495/87 303 (49.8) |
| Women | 2222/4513 (49.2) | 79 287/128 745 (61.6) | 1450/3046 (47.6) | 43 808/87 303 (50.2) |
| ABCD2 score >3 | 1933/3703 (52.2) | 1101/1806 (61.0) | 984/1735 (56.7) | 6610/9440 (70.0) |
| Hypertension | 2694/4729 (57.0) | 84 677/128 933 (65.7) | 2402/3605 (66.6) | 36 938/86 081 (42.9) |
| Diabetes | 667/4729 (14.1) | 33 651/128 933 (26.1) | 722/3605 (20.0) | 12 508/85 364 (14.7) |
| Dyslipidemia | 146/3934 (3.7) | 314/2772 (11.3) | 106/2250 (4.7)b | 385/60 795 (0.6) |
| Ischemic heart disease | 406/3476 (11.7) | 265/1504 (17.6) | 106/447 (23.7) | 318/1635 (19.4) |
| Peripheral vascular disease | 83/1868 (4.5) | 82/4624 (1.8) | 46/737 (6.3)b | 491/8973 (5.5) |
| Atrial fibrillation | 360/3934 (9.2) | 20 260/130 139 (15.6) | 279/1987 (14.0) | 11 266/80 757 (14) |
| Carotid stenosis | 879/3566 (24.7) | 165/1086 (15.2) | 271/1419 (19.1) | 2655/53 905 (4.9) |
| Prior TIA | 436/2188 (19.9) | 214/1349 (15.9) | 164/880 (18.6) | 3225/17 332 (18.6) |
| Prior stroke | 227/3309 (6.9) | 14 784/126 332 (11.7) | 311/1674 (18.6) | 6486/30 880 (21.0) |
| Prior TIA or stroke | 663/3327 (19.9) | 15 293/127 629 (12.0) | 738/2680 (27.5) | 7467/18 240 (40.9) |
| Smoking | 772/3633 (21.2) | 8134/124 447 (6.5) | 488/2423 (20.2)b | 10 689/80 031 (13.4) |
Abbreviations: ABCD2, age, blood pressure, clinical features, duration of transient ischemic attack, diabetes; TIA, transient ischemic attack.
a
All comparisons between the TIA clinic cohort and inpatient cohort are significantly different (P < .001). Unless otherwise noted, all comparisons between the TIA clinic cohort and emergency department cohort are significantly different (P < .001).
b
Indicates P > .05 in comparison between TIA clinic cohort and emergency department cohort.