National Core Maternity Indicators: PI 08-Instrumental vaginal birth for selected women giving birth for the first time (2013)
Identifying and definitional attributes
|Metadata item type:||Indicator|
|Common name:||Instrumental vaginal birth for selected women giving birth for the first time.|
|Short name:||PI 08-Instrumental vaginal birth for selected women giving birth for the first time (2013)|
|Description:||The proportion of all women who met the selection criteria* and who had a vaginal birth with the assistance of instruments.|
|Rationale:||This indicator is used to benchmark practice.|
|Indicator set:||National Core Maternity Indicators (2013)|
Health, Superseded 02/02/2016
Collection and usage attributes
|Population group age from:||20 years|
|Population group age to:||34 years|
The proportion of all women who met the selection criteria* and who had a vaginal birth with the assistance of instruments.
* Selection criteria: Women included are those who gave birth for the first time and met all of the following criteria for selected women, defined as:
Excluded are those women who have given birth prior to the current birth or did not meet the selection criteria.
|Computation:||100 × (Numerator ÷ Denominator)|
|Numerator:||Number of selected women giving birth for the first time who had a vaginal birth with the assistance of instruments.|
|Numerator data elements:|
|Denominator:||All selected women.|
|Denominator data elements:|
|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 data that are missing, not stated or not interpretable have been included in the denominator.|
A birth is defined as the event in which a baby comes out of the uterus after a pregnancy of least 20 weeks gestational age or weighing 400 grams or more.
Gestational age is a clinical measure of the duration of the pregnancy. For the National Perinatal Data Collection gestational age is reported as completed weeks.
An instrumental birth is a procedure that uses instruments (forceps or vacuum extraction) to assist the baby to come out through the vagina.
Patient elected accommodation status is available for all jurisdictions from 2006.
Source of definition: Australian Council of Healthcare Standards (ACHS) indicator 1.3, Selected women giving birth for the first time who undergo an instrumental birth. The ACHS define an instrumental birth as the use of forceps or vacuum.
|Unit of measure:||Person|
Data source attributes
Calendar years ending 31 December each year
Australian Institute of Health and Welfare
|Related metadata references:|
Has been superseded by National Core Maternity Indicators: PI 08—Instrumental vaginal birth for selected women giving birth for the first time (2016)
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