Table 2.
Risk Factors and Red Flags in Index Visit in Missed and Non-missed Groups
| Factors | Overall (n = 217) | Missed (n = 124) | Non-missed (n = 93) | p-value |
|---|---|---|---|---|
| Presence of stroke risk factors | ||||
| Hypertension | 187 (86.2%) | 112 (90.3%) | 75 (80.6%) | .041 |
| Hyperlipidemia | 150 (69.1%) | 93 (75.0%) | 57 (61.3%) | .031 |
| Diabetes | 106 (48.8%) | 75 (60.5%) | 31 (33.3%) | <.001 |
| Hx of stroke/TIA | 71 (32.7%) | 47 (37.9%) | 24 (25.8%) | .060 |
| Current smokers | 65 (30.0%) | 38 (30.6%) | 27 (29.0%) | .797 |
| History of atrial fibrillation | 24 (11.1%) | 15 (12.1%) | 9 (9.7%) | .574 |
| History of carotid stenosis | 15 (6.9%) | 10 (8.1%) | 5 (5.4%) | .440 |
| History of aneurysm | 13 (6.0%) | 7 (5.6%) | 6 (6.5%) | .804 |
| History of recent head trauma | 14 (6.5%) | 5 (4.0%) | 9 (9.7%) | .094 |
| Presence of stroke red flags | ||||
| Sudden loss of balance/coordination | 17 (7.8%) | 15 (12.1%) | 2 (2.2%) | .007 |
| Visual field defect | 21 (9.7%) | 14 (11.3%) | 7 (7.5%) | .353 |
| Unilateral limb weakness | 15 (6.9%) | 11 (8.9%) | 4 (4.3%) | .189 |
| Speech abnormalities | 9 (4.1%) | 6 (4.8%) | 3 (3.2%) | .410 |
| Unilateral facial weakness | 15 (6.9%) | 6 (4.8%) | 1 (1.1%) | .120 |
| Sudden severe headache | 6 (2.8%) | 6 (4.8%) | 0 | .033 |
| Sudden confusion | 3 (1.4%) | 2 (1.6%) | 1 (1.6%) | .607 |