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Table 1 Distribution of "worst" CT scan findings assigned by Marshall score (N = 111).

From: Effects of acute substance use and pre-injury substance abuse on traumatic brain injury severity in adults admitted to a trauma centre

Marshall score n (%)
1 No visible intracranial pathology 14 (13)
2 Cisterns present with midline shift 0-5 mm; no high or mixed density lesion > 25 ml. 36 (32)
3 Cisterns compressed or absent with midline shift 0-5 mm. 43 (39)
4 Midline shift > 5 mm;or surgically evacuated lesion;and non-evacuated high or mixed density lesion >25 ml 18 (16)