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Observational Study
©The Author(s) 2025.
World J Radiol. Sep 28, 2025; 17(9): 112983
Published online Sep 28, 2025. doi: 10.4329/wjr.v17.i9.112983
Table 2 Non-contrast computed tomography imaging characteristics of study population with and without hematoma expansion, n (%)
Variable
HE (n = 106, 55.2%)
Non-HE (n = 86, 44.8%)
P value
Baseline hematoma volume (mL), mean ± SD44.1 ± 26.3412.2 ± 16.32< 0.001a
IVH82 (77.4)26 (30.2)< 0.001a
SAH4 (3.8)2 (2.3)0.685
Island sign56 (52.8)6 (7.0)< 0.001a
Swirl sign32 (30.2)12 (14.0)0.049a
Black hole sign42 (39.6)16 (18.6)0.026a


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