The characteristics of the included studies
| Characteristic | Number (n) | Percentage (%) | |
|---|---|---|---|
| Publication year | |||
| 2020 | 23 | 100 | |
| Country | |||
| United States | 6 | 26.09 | |
| China | 4 | 17.39 | |
| Spain | 3 | 13.04 | |
| Italy | 2 | 8.70 | |
| France | 2 | 8.70 | |
| Turkey | 1 | 4.35 | |
| Korea | 1 | 4.35 | |
| Singapore | 1 | 4.35 | |
| Iran | 1 | 4.35 | |
| Multi-center | 2 | 8.70 | |
| Study design | Level of evidence | ||
| Cohort study | Level 4 | 8 | 34.78 |
| A retrospective study | Level 6 | 7 | 30.43 |
| Case series | Level 6 | 3 | 13.04 |
| Case reports | Level 6 | 3 | 13.04 |
| A prospective study | Level 6 | 1 | 4.35 |
| A descriptive study | Level 6 | 1 | 4.35 |
| Target population* | |||
| Acute ischemic stroke (AIS) | 10 | 37.04 | |
| Ischemic stroke (IS) | 6 | 22.22 | |
| Hemorrhagic stroke (HS) | 3 | 11.11 | |
| Transient ischemic attack (TIA) | 3 | 11.11 | |
| Unspecified | 5 | 18.52 | |
| Characteristic | Number ( | Percentage (%) | |
|---|---|---|---|
| 2020 | 23 | 100 | |
| United States | 6 | 26.09 | |
| China | 4 | 17.39 | |
| Spain | 3 | 13.04 | |
| Italy | 2 | 8.70 | |
| France | 2 | 8.70 | |
| Turkey | 1 | 4.35 | |
| Korea | 1 | 4.35 | |
| Singapore | 1 | 4.35 | |
| Iran | 1 | 4.35 | |
| Multi-center | 2 | 8.70 | |
| Cohort study | Level 4 | 8 | 34.78 |
| A retrospective study | Level 6 | 7 | 30.43 |
| Case series | Level 6 | 3 | 13.04 |
| Case reports | Level 6 | 3 | 13.04 |
| A prospective study | Level 6 | 1 | 4.35 |
| A descriptive study | Level 6 | 1 | 4.35 |
| Acute ischemic stroke (AIS) | 10 | 37.04 | |
| Ischemic stroke (IS) | 6 | 22.22 | |
| Hemorrhagic stroke (HS) | 3 | 11.11 | |
| Transient ischemic attack (TIA) | 3 | 11.11 | |
| Unspecified | 5 | 18.52 | |
| Sample size (n) | Maximum | Minimum |
|---|---|---|
| Cohort study | 894 | 13 |
| Case series | 49 | 5 |
| Case reports | 4 | 1 |
| A retrospective study | 2,737 | 55 |
| A prospective study** | 1,513 (n = 1) | |
| A descriptive study** | 227 (n = 1) | |
| Sample size (n) | Maximum | Minimum |
|---|---|---|
| Cohort study | 894 | 13 |
| Case series | 49 | 5 |
| Case reports | 4 | 1 |
| A retrospective study | 2,737 | 55 |
| A prospective study** | 1,513 ( | |
| A descriptive study** | 227 ( | |
Note(s): *One study consists of ≥ 1 target population; **Consists of only 1 study
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