Table 1. Summary of investigations to identify the presence subdural haematoma.

	Number included	Number who died	Post-insult, pre-mortem imaging only			Both pre-mortem imaging and PM examinationa	Post-mortem investigation only
			Cranial CT only	Cranial MRI only	Cranial CT and MRI		Cranial CT only	PM examination onlya	Both CT and PM examinationa
PICU	17	10	6	1	2	2b	1	4	1
ED	33	33	0	0	0	0	0	22	11
Total	50	43	6	1	2	2b	1	26	12

ED, emergency department; PICU, paediatric intensive care unit; PM, post-mortem.

^aWhere post-mortem examination report was available.

^bIn both cases imaging was by CT only.