BMC Health Services Research

Table 1 Consistency of hypertension reporting between the Midwives Data collection (MDC) and Inpatients Statistics Collection (ISC), New South Wales, 2000–2002.

From: Methods for dealing with discrepant records in linked population health datasets: a cross-sectional study

Hypertension type by ISC	Hypertension type by MDC
	Chronic	Pregnancy	Chronic + preclampsia	No hypertension
Chronic	531¹	150⁴	80²	233³
Pregnancy	665⁴	12144¹	350²	5192³
Chronic + preeclampsia	109²	178²	81¹	36³
Unspecified	125²	717²	18²	1132³
No hypertension	522³	2177³	77³	225656¹

Agreement in reporting between the two datasets
1. perfect agreement
2. imperfect agreement
3. under-reporting
4. conflicting reports on the type of hypertension

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ISSN: 1472-6963

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