Table 1. Characteristics of included study.
| Author (Year of publication) | Country | Inclusion Criteria | Study Design | Mean Age BB/NB | Male BB/NB (%) | Ischemic heart diseases BB/NB | Myocardial Infarction BB/NB | Hypertension BB/NB (%) | Atrial Fibrillation BB/NB | NIHSS BB/NB | NOS Scores |
| Ilko L. Maier (2018) | Germany | Ischemic Stroke | Case-control Study | 77/69 | 36.7/59.5 | N | 36.5/11.6 | N | 57.9/27.4 | 17/15 | 8 |
| Jayantee Kalita (2013) | India | Hemorrhagic Stroke | Case-control Study | 55.6/59.7 | 62.7/73.4 | N | 12.7/23.7 | N | N | N | 6 |
| Starr, J. B (2017) | America | Ischemic Stroke | Case-control Study | 66.3/61.1 | 60.4/59.7 | 21.6/16.9 | N | 68.1/62.5 | 11.7/19.6 | 8/5 | 7 |
| Sykora, M (2015) | Germany | Ischemic Stroke | Case-control Study | 69/68 | N | 41/29.3 | 12.9/19.3 | 96.3/73.2 | 25.4/25.6 | 12/11 | 5 |
| Tomasz Dziedzic (2007) | Poland | Ischemic Stroke | Case-control Study | 67.2/69.2 | 44.3/47 | 69.3/57.3 | 25/11.7 | 81.8/66.3 | 28.4/20 | N | 6 |
| Willeke F. Westendorp (2016) | The Netherlands | Ischemic or Hemorrhagic Stroke | Cohort study | 77/71 | 53.8/58.6 | N | 7/23 | 79/42 | N | 5/5 | 8 |
Abbreviations: Country: The country of the research institution; BB: beta-blockers; NB: No-beta-blockers; NIHSS: National Institute of Health stroke scale; N: Not given; NOS: Newcastle-Ottawa Scale.