Author and year | No. of cases | Hemorrhage incidence | Independent risk factors |
---|---|---|---|
Kulkarni et al. (1998) [9] | 102 | 59.8% | Malignant glioma |
Field et al. (2001) [2] | 500 | 8% | Platelet count less than 150,000 mm |
Grossman et al., (2005) [15] | 355 | 7% | Lesion located in the brainstem |
McGirt et al. (2005) [7] | 270 | 9% | Diabetes mellitus, thalamic lesion, basal ganglion lesion |
Shakal et al. (2014) [6] | 147 | 4.7% | Malignant tumor |
Malone et al. (2015) [5] | 7514 | 5.8% | Older age; hydrocephalus; edema |
Beynon et al. (2018) [14] | 159 | 1.3% | / |
Mizobuchi et al. (2019) [1] | 80 | 31.3% | Prothrombin time longer than 12.7 s; malignant glioma |
Taweesomboonyat et al. (2019) [12] | 85 | 19% | Lesion diameter 3 cm or smaller |
Present study | 3196 | 4.66% | Deep-seated lesion; concomitant edema and enhancement on radiology; malignant glioma |