Table 2. Characteristics of included studies.
CTP: Computed Tomographic Perfusion; HT: Hemorrhagic transformation NCCT: Non-Contrast Computerized Tomography; CT: Computed Tomography; MRI: Magnetic Resonance Imaging; MRA: Magnetic Resonance Angiography
| Study | Design | Year | Population | Time to CTP from onset (hours) | Reference Standard |
| Bisdas et al. [22] | Cohort-Retrospective | 2007 | 68 | 2.5 ± 2.3 | NCCT Brain |
| Hom et al. [23] | Cohort-Retrospective | 2011 | 32 | 2 (1-12) | NCCT |
| Yassi et al. [24] | Cohort-Prospective | 2013 | 132 | 2.5 ± 2 | NCCT or MRI brain |
| Shinoyami et al. [25] | Cohort-Retrospective | 2013 | 68 | 3 (0-24) | MRI brain |
| Bennink et al. [26] | Cohort-Retrospective | 2015 | 60 | 1.38 (± 1) | NCCT Brain |
| Aviv et al. [27] | Cohort-prospective | 2009 | 41 | 2.08 ± 0.77 | CT and MRI |
| Lin et al. [28] | Cohort-Retrospective | 2007 | 50 | <3 | MRI and NCCT |
| Jain et al. [29] | Cohort-Retrospective | 2013 | 83 (49 analyzed) | 2.07 (1.07-5.23) | NCCT or MRI |
| Ozkul-wernester et al. [30] | Cohort-Prospective | 2014 | 86 | 2.33 (1-6) | MRI (NCCT) |
| Souza et al. [31] | Cohort-Retrospective | 2012 | 96 | Median 16.5 (HT) and 10.9 (No HT) | MRI (NCCT) |
| Lin et al. [32] | Cohort-Retrospective | 2012 | 84 | 3.9 ± 2.0 | MRI (NCCT) |
| Yen et al. [33] | Cohort-Retrospective | 2016 | 42 (of 82 selected) | 1.85 | NCCT |
| Waheed et al. [34] | Cross Sectional-Retrospective | 2023 | 140 | <24 | MRA |