Table 1.

Brain injury diagnoses and Australasian Rehabilitation Outcomes Centre (AROC) impairment codes for the Acquired Brain Injury Community REhabilitation and Support Services OuTcomes CohoRT (ABI-RESTaRT) cohort, 1991–2020

AROC code, category and diagnosis		n (%)
Non-traumatic (stroke)		292 (28.9)
1.1	Stroke—haemorrhagic	81 (8)
1.2	Stroke—ischaemic	178 (17.6)
1.0	Stroke—unspecified	33 (3.3)
Non-traumatic (other—excluding stroke)		263 (26)
2.11	Subarachnoid haemorrhage	58 (5.7)
2.12	Anoxic brain damage	78 (7.7)
2.13	Encephalitis	18 (1.8)
	Meningitis	6 (0.6)
	Neoplasm/tumour of brain, meninges or cranial nerves	32 (3.2)
	Intracranial abscess	2 (0.2)
	Hydrocephalus	5 (0.5)
	Toxic encephalopathy	35 (3.5)
	Metabolic encephalopathy	7 (0.7)
	Other non-traumatic brain dysfunction	22 (2.2)
Traumatic		353 (34.9)
2.21	Traumatic, open injury	50 (5)
2.22	Traumatic, closed injury	280 (27.7)
2.2	Traumatic, unspecified	23 (2.3)
Neurological		103 (10.2)
3.1	Multiple sclerosis	16 (1.6)
3.2	Parkinsonism	17 (1.7)
3.3	Polyneuropathy	3 (0.3)
3.4	Guillain-Barré syndrome	1 (0.1)
3.8	Neuromuscular disorders	13 (1.3)
3.9	Extrapyramidal and abnormal movement disorders	2 (0.2)
	Spinocerebellar disease	3 (0.3)
	Epilepsy	31 (3.1)
	Other neurological and neurodegenerative disorders	17 (1.7)