Table 5.
Patient sociodemographic and medical characteristics according to time of arrival at hospital
| ≤2 hours n = 175 | >2 hours n = 218 | Total n = 393 | Prevalence Ratio | CI 95% | Pr > Chisq | |
|---|---|---|---|---|---|---|
| Age | ||||||
| ≥65 years | 133 (76%) | 155 (71%) | 288 (73%) | 0.90 | 0.74-1.08 | 0.260 |
| Median (IQR) | 76 (66-84) | 74 (64-83) | 75 (65-83) | |||
| Gender | ||||||
| Female | 86 (49%) | 113 (52%) | 199 (51%) | 1.05 | 0.88-1.25 | 0.596 |
| Education (3 missing values) | ||||||
| Primary school (1-5 years) or no education | 99 (58%) | 116 (53%) | 215 (55%) | 1 | ||
| Secondary school (6-8 years) | 40 (23%) | 54 (25%) | 94 (24%) | 1.08 | 0.87-1.34 | 0.483 |
| High school (9-13 years) | 24 (14%) | 35 (16%) | 59 (15%) | 1.11 | 0.87-1.42 | 0.385 |
| University or graduate education | 9 (5%) | 13 (6%) | 22 (6%) | 1.11 | 0.76-1.61 | 0.578 |
| Lives alone | ||||||
| Yes | 30 (17%) | 60 (28%) | 90 (23%) | 1.28 | 1.07-1.53 | 0.008 |
| Risk factors | ||||||
| Prior TIA | 25 (14%) | 29 (13%) | 54 (14%) | 0.96 | 0.74-1.26 | 0.782 |
| Hypertension | 135 (77%) | 147 (67%) | 282 (72%) | 0.82 | 0.68-0.97 | 0.025 |
| Diabetes | 29 (17%) | 42 (19%) | 71 (18%) | 1.08 | 0.87-1.35 | 0.476 |
| Smoker | 31 (18%) | 41 (19%) | 72 (18%) | 1.03 | 0.83-1.29 | 0.778 |
| Hyperlipidemia | 48 (27%) | 56 (26%) | 104 (26%) | 0.96 | 0.78-1.18 | 0.701 |
| Atrial fibrillation | 40 (23%) | 42 (19%) | 82 (21%) | 0.91 | 0.72-1.14 | 0.401 |
| Carotid artery disease | 21 (12%) | 21 (10%) | 42 (11%) | 0.89 | 0.65-1.22 | 0.474 |
| Ischemic heart disease | 27 (15%) | 38 (17%) | 65 (17%) | 0.90 | 0.45-1.81 | 0.767 |
| Peripheral vascular disease | 4 (2%) | 4 (2%) | 8 (2%) | 1.07 | 0.85-1.34 | 0.585 |
| None | 12 (7%) | 25 (11%) | 37 (9%) | 1.25 | 0.98-1.59 | 0.076 |
| Diagnosis | ||||||
| Transient ischemic attack (TIA) | 24 (14%) | 34 (16%) | 58 (15%) | 1.07 | 0.84-1.35 | 0.590 |
| Hemorrhagic stroke | 20 (11%) | 19 (9%) | 39 (10%) | 0.87 | 0.62-1.21 | 0.402 |
| Ischemic stroke: | 123 (70%) | 149 (68%) | 272 (69%) | 0.96 | 0.80-1.16 | 0.676 |
| TACI (Total Anterior Circulation Stroke Infarct) | 29 (17%) | 14 (6%) | 43 (11%) | 0.56 | 0.36-0.87 | 0.009 |
| PACI (Partial Anterior Circulation Stroke Infarct) | 54 (31%) | 60 (28%) | 114 (29%) | 0.93 | 0.76-1.14 | 0.478 |
| POCI (Posterior Circulation Stroke Infarct) | 27 (15%) | 32 (15%) | 59 (15%) | 0.97 | 0.76-1.25 | 0.838 |
| LACI (lacunar Stroke) | 13 (7%) | 43 (20%) | 56 (14%) | 1.48 | 1.24-1.76 | <.0001 |
| Other | 8 (5%) | 16 (7%) | 24 (6%) | 1.22 | 0.90-1.64 | 0.194 |