Table 1. Baseline characteristics of acute ischemic stroke patients with internal carotid artery occlusion grouped according to occlusion localization and administration of systemic thrombolysis.
| Localization | extracranial | intracranial | extracranial |
| Systemic thrombolysis | yes | yes | no |
| n | 52 | 40 | 116 |
| Affected side (right/left/both) | 44.2/53.8/1.9 | 45.0/55.0/0.0 | 45.2/53.9/0.9 |
| NIH-SS on admission | 16.1±5.7 | 18.9±4.9 | 8.6±8.5 |
| Demographic variables | |||
| Age, years | 65.2±17.4 | 69.2±12.6 | 67.1±12.6 |
| Male sex | 65.4 | 55.0 | 71.6 |
| Risk factors | |||
| Hypertension | 61.5 | 67.5 | 74.8 |
| Dyslipidemia | 29.4 | 30.6 | 53.5 |
| Smoking | 26.9 | 12.5 | 38.2 |
| Prior stroke or TIA | 17.3 | 20.0 | 27.6 |
| Concomitant diseases | |||
| Atrial fibrillation | 17.3 | 37.5 | 21.0 |
| Diabetes mellitus | 15.4 | 20.0 | 26.7 |
| Coronary heart disease | 12.0 | 22.2 | 23.5 |
| Prior Medication | |||
| Antiplatelet agents | 26.9 | 27.5 | 44.4 |
| Anticoagulants | 0.0 | 4.8 | 8.1 |
| Antihypertensive agents | 48.0 | 51.4 | 60.6 |
| Statins | 10.0 | 2.7 | 14.1 |
Data are given as percentage, except NIH-SS on admission and age, which are given as mean ± standard deviation. “Prior Medication” refers to pharmacotherapy received by the patient up to the event. NIH-SS, National Institutes of Health Stroke Scale; TIA, transient ischemic attack.