Table 5 Risk factors associated with symptomatic hemorrhage
Factor | Symptomatic hemorrhage (n = 46) | Asymptomatic hemorrhage (n = 103) | p value |
|---|---|---|---|
Age (%) | 50.19 ± 21.00 | 51.21 ± 18.32 | 0.802 |
Location of lesions (%) | |||
Superficial location | 17 (36.96) | 87(84.47) | < 0.001* |
Deep-seated location | 29 (63.04) | 16(15.53) | |
Brainstem | 20 (68.96) | 5(31.25) | 0.027 |
Other | 9 (31.04) | 11 (68.75) | |
Hemorrhage diameter | |||
5 ~ 50 mm | 5 (10.87) | 95 (92.23) | < 0.001* |
> 50 mm | 41 (89.13) | 9 (7.77) | |
Hemorrhage extending pattern | |||
Restricted in trajectory | 30 (65.22) | 101 (98.06) | < 0.001* |
Extension to ventricular or subarachnoid space | 16 (34.78) | 2 (1.94) | |
Concomitant edema and enhancement on MR imaging (%) | 0.472 | ||
Yes | 30 (65.22) | 60 (58.25) | |
No | 16 (34.78) | 43 (41.75) | |
Histological grade (%) | 0.991 | ||
Benign | 5 (10.87) | 11 (10.68) | |
Malignant | 39 (84.78) | 87 (84.47) | |
Uncertain | 2 (4.35) | 5 (4.85) | |
Pathology (%) | 0.773 | ||
High-grade glioma | 34 (73.90) | 65 (63.11) | |
Lymphoma | 4 (8.70) | 13 (12.62) | |
Metastasis | 4 (8.70) | 11 (10.68) | |
Nondiagnostic | 2 (4.35) | 6 (5.83) | |
Others | 2 (4.35) | 8 (7.76) |