- Characteristics of participants.
| Variables | Frequency | Percentage (%) |
|---|---|---|
| Modality | ||
| CT | 2105 | 66.7 |
| MRI | 1050 | 33.3 |
| CT - BRAIN C- | 1741 | 55.2 |
| CT - BRAIN C-/+ | 364 | 11.5 |
| MRI - BRAIN C- | 287 | 9.1 |
| MRI - BRAIN C+/- | 763 | 24.2 |
| Type of Patient (n=3155) | ||
| Emergency | 951 | 30.1 |
| In-patient | 1220 | 38.7 |
| Out-Patient | 789 | 25.0 |
| Unknown | 195 | 6.2 |
| Co-morbid (n=3108) | ||
| Defibrillation | 26 | 0.8 |
| Kidney disorders | 250 | 8.0 |
| Alzheimer’s disease | 10 | 0.3 |
| Asthma | 80 | 2.6 |
| Cancer | 43 | 1.4 |
| Heart Failure | 198 | 6.4 |
| COPD | 40 | 1.3 |
| Dementia | 25 | 0.8 |
| Diabetes | 520 | 16.7 |
| Hypertension | 548 | 17.6 |
| Dyslipidemia | 670 | 21.6 |
| ESRD | 8 | 0.3 |
| Hyperuricemia | 16 | 0.5 |
| Hyperthyroidism | 67 | 2.2 |
| Liver diseases | 56 | 1.8 |
| Thrombus | 6 | 0.2 |
| Seizures | 12 | 0.4 |
| Parkinsonian disease | 4 | 0.1 |
| CABG | 13 | 0.4 |
| Others | 516 | 16.6 |
| Reason for examination (n=3155) | ||
| Abnormal CSF | 12 | 0.4 |
| Blurred Vision | 287 | 9.1 |
| Decrease level of consciousness | 231 | 7.3 |
| Disorientation | 232 | 7.4 |
| Dizziness | 543 | 17.2 |
| Dysarthria | 54 | 1.7 |
| Headache | 650 | 20.6 |
| Left side numbness | 55 | 1.7 |
| Slurry speech | 87 | 2.8 |
| High blood pressure | 620 | 19.7 |
| Unknown | 158 | 5.0 |
| Others | 226 | 7.2 |
| Confirmation of brain disorders through scan (n=3155) | ||
| Confirmed brain disorders through scans | 2426 | 77 |
| Brain disorders not confirmed through scans | 729 | 23 |
ESRD - end-stage renal disease, CABG - Coronary artery bypass graft surgery, CSF - Cerebrospinal fluid