"Identifying Information: Name","Small for Gestational Age Rate"
"Identifying Information: Short/Other Names",SGA
"Identifying Information: Description","Crude rate for small for gestational age (SGA)"
"Background, Interpretation and Benchmarks: Rationale","SGA rates continue to vary among provinces/territories. Given this variance, this indicator can be used to inform government planners, policy-makers, health system decision-makers, health care providers, patients and the general public. It can help raise awareness and allow Canada to compare its rates with the rates of other countries."
"Background, Interpretation and Benchmarks: Interpretation","The in-hospital SGA rate represents the proportion of singleton babies born in a Canadian hospital with a birth weight below the 10th percentile for their gestational age and sex. In other words, babies classified as SGA are smaller than 90% of the babies from a standard reference population of the same gestational age and sex.Lower rates for this indicator are desirable."
"Background, Interpretation and Benchmarks: HSP Framework Dimension","Improve health status of Canadians"
"Background, Interpretation and Benchmarks: Areas of Need","Not applicable"
"Background, Interpretation and Benchmarks: Targets/Benchmarks","Not applicable"
"Available Data Years","2007
 to 2023"
"Available Data Years: Type of Year",Fiscal
"Availability of Results: Geographic Coverage","All provinces/territories"
"Reporting Level/Disaggregation",National
"Result Updates: Indicator Results","Web Tool:Quick Stats"
"Update Frequency","Every year"
"Result Updates: Latest Results Update Date","February 2025"
"Result Updates: Updates","As of 2015–2016, the national results include non-residents of Canada."
"Indicator Calculation: Description","Rate = (Number of live singleton newborns classified as SGA at birth) ÷ (Number of live singleton newborns with a valid birth weight, gestational age and gender) × 100Unit of Analysis: Discharges from acute care facilities"
"Indicator Calculation: Type of Measurement",Rate
"Indicator Calculation: Number or Rate","Per 100"
"Denominator: Description:","Number of live singleton newborns with a valid birth weight, gestational age and gender"
"Denominator: Inclusions:","ICD-10-CA in-hospital singleton birth code:A diagnosis code of Z38.0 coded in any position"
"Denominator: Exclusions:","Non-newborn recordsCadaveric donorsInvalid birth weight (Weight = blank, 0000, 0001 or ZZZZ)Invalid or out-of-range gestational age (Delivery Gestational Age = blank or ZZ or <22 weeks or >43 weeks)Gender Code not equal to F or MICD-10-CA multiple births codes: Any newborn record (Entry Code = N with a Z38 diagnosis code) where two or more newborn records are born to the same mother (duplicate Maternal Newborn Chart Number) within 40 days of one another (based on Admission Date) in the same institution (Institution Number) OR Any one ICD-10-CA multiple birth diagnosis code of Z38.3, Z38.4, Z38.5, Z38.6, Z38.7 or Z38.8 coded in any diagnosis fieldICD-10-CA abortion or other out-of-hospital birth codes:Any one diagnosis code of P96.4, Z38.1 or Z38.2 coded in any diagnosis field"
"Numerator: Description:","Number of live singleton newborns classified as SGA at birth"
"Numerator: Inclusions:","Weight <10th percentile for gestational age and gender category. Standard Canadian birth weights for gestational age by gender charts were used (M. S. Kramer et al., 2001)."
"Numerator: Exclusions:","Same as denominator (numerator is a subset of the denominator)"
"Method of Adjustment","Not applicable"
"Adjustment Applied",None
"Indicator Calculation: Geographic Assignment","Place of residence"
"Data Sources",DAD
"Quality Statement: Caveats and Limitations","In order to provide a more stable rate estimate, only data from regions with a population of at least 50,000 was reported. Additional reasons for suppression were privacy, rate instability and under-reporting. As of 2015–2016, regions are not suppressed based on population; instead, the following suppression methodology is used:Suppression due to privacy: To ensure privacy, a suppression rule is applied to all clinical indicator results. Numerators and/or denominators between 1 and 4 are suppressed.Suppression due to unstable results: Unstable indicator results are suppressed. In general, these are indicator results with a denominator between 1 and 49."
"Quality Statement: Trending Issues","Refer to the Important notes in Hospitalization and Childbirth Quick Stats Metadata (PDF)"
"Quality Statement: Comments","For more information about this indicator, please refer to Hospital stays in Canada."
References,"Kramer MS, Platt RW, Wen SW, et al. A new and improved population-based Canadian reference for birth weight for gestational age. Pediatrics. 2001;108(2):e35."