National Core Maternity Indicators: PI 10–Babies weighing less than the third centile among births at or after 40 weeks gestation, 2024
Indicator Attributes
Identifying and definitional attributes | |
Metadata item type: | Indicator |
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Indicator type: | Indicator |
Common name: | Babies weighing less than the third centile among births at or after 40 weeks gestation |
Short name: | PI 10–Babies weighing less than the third centile, for gestational age and sex, born at 40 to 43 weeks gestation, 2024 |
METEOR identifier: | 785342 |
Registration status: | Health, Recorded 21/02/2024 |
Description: | All babies born at 40 to 43 weeks gestation who weighed less than the third centile, by gestational age and sex at birth as a proportion of (a) all babies born at 40 to 43 weeks gestation and (b) all babies born at 32 to 43 weeks gestation who weighed less than the third centile, by gestational age and sex at birth. |
Rationale: | This indicator aims to identify severe fetal growth restriction (FGR) for babies born at 40 to 43 weeks gestation. Birth after 40 weeks gestation may indicate that the FGR was not diagnosed or managed in a timely way. This indicator is used to benchmark practice. |
Indicator set: | National Core Maternity Indicators, 2024 Health, Recorded 21/02/2024 |
Collection and usage attributes | |
Computation description: | (a) The number of babies (live and stillborn) born at 40 to 43 weeks gestation who weighed less than the third centile for gestational age and sex at birth, divided by the number of babies born at 40 to 43 weeks gestation, and multiplied by 100.
(b) The number of babies (live and stillborn) born at 40 to 43 weeks gestation who weighed less than the third centile for gestational age and sex at birth, divided by the number of babies born at 32 to 43 weeks gestation who weighed less than the third centile for their sex and gestational age, and multiplied by 100. Severe FGR is defined as those babies born with a birthweight less than the third centile for their sex and gestational age. A birth is defined as the complete expulsion or extraction from a female, of a product of conception of 20 or more completed weeks of gestation or of 400 grams or more birthweight. Births included are:
Births excluded are:
Gestational age is reported as completed weeks. |
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Computation: | (Numerator ÷ Denominator) × 100 |
Numerator: | (a) and (b) The number of babies (live and stillborn) born at 40 to 43 weeks gestation who weighed less than the third centile for gestational age and sex at birth. |
Numerator data elements: | |
Denominator: | (a) The number of babies born at 40 to 43 weeks gestation. (b) The number of babies at 32 to 43 weeks gestation who weighed less than the third centile for gestational age and sex at birth. |
Denominator data elements: | |
Disaggregation: |
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Disaggregation data elements: | |
Comments: | Data elements are from the Perinatal National Minimum Data Set (NMDS) or have been provided as voluntary non-standardised items by the states and territories. Records with a permissible value have been included in the denominator. Modified from Australian Council on Healthcare Standards (ACHS) Indicator 8.1: Babies with severe intrauterine growth restriction. This ACHS indicator is based on the definition by Women's Healthcare Australasia Core Maternity Indicators Project (WHA 2007). |
Representational attributes | |
Representation class: | Percentage |
Data type: | Real |
Unit of measure: | Person |
Format: | N[NN.N] |
Data source attributes | |
Data sources: | |
Accountability attributes | |
Reporting requirements: | No formal reporting requirements |
Organisation responsible for providing data: | Australian Institute of Health and Welfare |
Accountability: | Australian Institute of Health and Welfare |
Release date: | 14/06/2013 |
Source and reference attributes | |
Submitting organisation: | Australian Institute of Health and Welfare |
Reference documents: | ACHS (The Australian Council on Healthcare Standards) (2021). The Australasian Clinical Indicator Report: 2013-2020. 22nd edn. Sydney: ACHS. Viewed 08 April 2022, https://www.achs.org.au/our-services/pos/previous-acir-publications. WHA (Women's Healthcare Australasia) (2007). Supporting excellence in maternity care: the core maternity indicators project: findings from the core maternity indicators project. Canberra: WHA. |
Relational attributes | |
Related metadata references: | Supersedes National Core Maternity Indicators: PI 10–Small babies among births at or after 40 weeks gestation, 2023 Health, Standard 14/07/2023 |