Table 1

Children born 1984–89 identified from child health systems as having cerebral palsy, severe vision loss, or sensorineural deafness

District of residence at birth		Total (n)		Born to mothers resident in district (n)	Known to register		Not known to register
District of residence at birth		Total (n)		Born to mothers resident in district (n)	n	%	n	SCR
1	146	121	50	34	71	1
2	180	152	69	38	83	3
3	145	127	34	27	93	1
4	183	152	56	31	96	0
5	123	107	58	47	49	4
6	43	35	17	40	18	0
Total	820	694	284	35	410	9