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Table 2 Nationally held health information datasets used for matching to PIMS extracted data

From: Wāhine hauora: linking local hospital and national health information datasets to explore maternal risk factors and obstetric outcomes of New Zealand Māori and non-Māori women in relation to infant respiratory admissions and timely immunisations

Health information dataset

Type of information held in dataset

Specific information extracted and matched

Mortality Collection

Death

Date of death, gestation, birth-weight, diagnostic codes on cause of death

National Immunisation Register

Immunisation information

Immunisation at 6 and 12 months, registration status (active or not)

National Maternity Collection

Information on maternal and infant health collected by the lead maternal carer

Breastfeeding at 2 weeks and at transfer to well child provider, neonatal death, number of inpatient postnatal visits, number of midwife home visits

National Minimum Dataset (NMDS)

Hospital events

Maternal and/or infant hospital admissions (public) /discharge date, duration, diagnostic (ICD) codes

NMDS

Infant birth outcomes

Apgar at 5 minutes, birth weight dianostic codes, length of stay,

NMDS

Referrals

Date, specialist, provider, reason(s)