Grade 0: No SAH or IVH |
Grade 0: No SAH or IVH |
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Grade 0: No subarachnoid hemorrhage or intraventricular hemorrhage |
Grade 1: SAH less than 1 mm thick, no IVH |
Grade 1: SAH less than 1 mm thick, no IVH |
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Grade 1: subarachnoid hemorrhage less than 1 mm thick, no intraventricular hemorrhage |
Grade 2: SAH less than 1 mm thick, with IVH |
Grade 2: SAH less than 1 mm thick, with IVH |
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Grade 2: subarachnoid hemorrhage less than 1 mm thick, with intraventricular hemorrhage |
Grade 3: SAH more than 1 mm thick, no IVH |
Grade 3: SAH more than 1 mm thick, no IVH |
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Grade 3: subarachnoid hemorrhage more than 1 mm thick, no intraventricular hemorrhage |
Grade 4: SAH more than 1 mm thick, with IVH |
Grade 4: SAH more than 1 mm thick, with IVH |
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Grade 4: subarachnoid hemorrhage more than 1 mm thick, with intraventricular hemorrhage |