Table 4.

Correct linkage Rates (%) among Matched Records between Vital Statistics registry and In-hospital death data

A combination of common identifiers		1998/99	1999/00	2000/01	2001/02
Surname, Sex and Date of Birth		(N = 1056)	(N = 1102)	(N = 1253)	(N = 1411)
Total		98.1	97.1	98.7	98.9
Sex:	Female	98.4	96.7	98.8	98.7
	Male	97.9	97.4	98.6	99.2
Age:	1 to 9 years	100.0	100.0	100.0	100.0
	10 to 19 years	100.0	88.9	100.0	85.7
	20 to 29 years	100.0	90.9	100.0	100.0
	30 to 39 years	100.0	95.0	94.4	100.0
	40 to 49 years	96.3	98.3	98.1	100.0
	50 to 64 years	95.9	97.3	99.5	98.7
	Over 65 years	98.5	97.2	98.7	99.0
First Name, Sex and Date of Birth		(N = 960)	(N = 1019)	(N = 1142)	(N = 1286)
Total		97.8	96.8	98.4	98.8
Sex:	Female	98.1	96.3	98.7	98.7
	Male	97.6	97.2	98.2	98.9
Age:	1 to 9 years	100.0	100.0	100.0	100.0
	10 to 19 years	100.0	88.9	75.0	80.0
	20 to 29 years	100.0	88.9	100.0	100.0
	30 to 39 years	100.0	95.0	94.4	100.0
	40 to 49 years	95.9	97.9	97.9	100.0
	50 to 64 years	95.6	97.1	98.8	98.6
	Over 65 years	98.2	96.8	98.5	98.8
Surname, First Name, Sex and Date of Birth		(N = 936)	(N = 990)	(N = 1126)	(N = 1261)
Total		97.9	96.8	98.7	99.1
Sex:	Female	98.1	96.3	98.9	98.8
	Male	97.7	97.2	98.5	99.3
Age:	1 to 9 years	100.0	100.0	100.0	100.0
	10 to 19 years	100.0	87.5	100.0	80.0
	20 to 29 years	100.0	87.5	100.0	100.0
	30 to 39 years	100.0	94.7	94.1	100.0
	40 to 49 years	95.8	97.9	97.8	100.0
	50 to 64 years	95.4	97.0	99.4	98.5
	Over 65 years	98.3	96.9	98.6	99.2