Case identification of non-traumatic brain injury in youth using linked population data

BMC Neurology

Table 2 Dataset sources of case identification of NT-ABI

	Total NT-ABI cases identified						NT-ABI Cases Excluding Birth Trauma						Birth Trauma
	NMDS		ACC		SOCRATES		NMDS		ACC		SOCRATES		NMDS
	N	%	N	%	N	%	N	%	N	%	N	%	N	%
Total Population	7161	87.8	1248	15.3	135	1.7	5019	82.9	1248	20.6	135	2.2	2265	100.0
Sex
Male	3963	87.5	711	15.7	84	1.9	2751	82.2	711	21.3	84	2.5	1287	100.0
Female	3198	88.2	537	14.8	51	1.4	2268	83.6	537	19.8	51	1.9	978	100.0
Age group
0–4 years	3771	93.9	360	9.0	24	0.6	1650	85.1	360	18.6	24	1.2	2241	100.0
5–9 years	849	76.5	318	28.6	36	3.2	828	76.0	318	29.2	36	3.3	24	100.0
10–14 years	576	78.4	168	22.9	30	4.1	576	78.4	168	22.9	30	4.1	n/a
15–19 years	894	84.4	192	18.1	24	2.3	894	84.4	192	18.1	24	2.3	n/a
20–24 years	1074	86.9	207	16.7	21	1.7	1074	86.9	207	16.7	21	1.7	n/a
Ethnicity
European	4713	86.4	906	16.6	84	1.5	3324	81.3	906	22.2	84	2.1	1467	100.0
Māori	2616	88.7	441	15.0	51	1.7	1872	84.6	441	19.9	51	2.3	789	100.0
Pacific	1287	90.3	186	13.1	30	2.1	912	86.9	186	17.7	30	2.9	405	100.0
Asian	807	89.7	111	12.3	18	2.0	504	83.6	111	18.4	18	3.0	318	100.0
MELAA	132	86.3	30	19.6	.S		84	75.7	30	27.0	.S		48	100.0
Deprivation Index
Lowest quintile	984	85.4	201	17.4	18	1.6	726	80.1	201	22.2	18	2.0	270	100.0
Dep2	1053	86.5	210	17.2	18	1.5	756	81.3	210	22.6	18	1.9	312	100.0
Dep3	1146	87.2	210	16.0	21	1.6	798	82.4	210	21.7	21	2.2	372	100.0
Dep4	1419	87.8	240	14.8	30	1.9	951	82.1	240	20.7	30	2.6	501	100.0
Highest quintile	2223	89.7	333	13.4	45	1.8	1536	85.5	333	18.5	45	2.5	726	100.0
Resident location
Urban	5994	88.1	1035	15.2	108	1.6	4212	83.2	1035	20.5	108	2.1	1890	100.0
Rural	1137	87.1	204	15.6	27	2.1	786	81.4	204	21.1	27	2.8	363	100.0

MELAA: Middle Eastern Latin American African
Percentages (%) represent row percentages and may sum to greater than 100% because individuals with an NT-ABI can be identified in more than one dataset
.S: Sample size too small to be reported following data privacy measures

ISSN: 1471-2377