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IID-2 Data Details

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IID-2 Reduce early onset group B streptococcal disease

About the Data

Description of the data source, numerator, denominator, survey questions, and other relevant details about the national estimate.

Data Source: 
Active Bacterial Core Surveillance (ABCS); Centers for Disease Control and Prevention, National Center for Immunization and Respiratory Diseases (CDC/NCIRD)
National Vital Statistics System-Natality (NVSS-N); Centers for Disease Control and Prevention, National Center for Health Statistics (CDC/NCHS)
Changed Since the Healthy People 2020 Launch: 
Yes
Measure: 
per 1,000
Baseline (Year): 
0.30 (2008)
Target: 
0.25
Target-Setting Method: 
10 percent improvement
Numerator: 

Number of newborns aged 0 to 6 days with a newly reported laboratory-confirmed case of early-onset group B streptococcal disease

Denominator: 

Number of live births

Comparable Healthy People 2010 Objective: 
Retained from HP2010 objective
Data Collection Frequency: 
Annual
Methodology Notes: 

    A laboratory-confirmed case of group B Streptococcus is defined as either the isolation of group B Streptococcus from cerebrospinal fluid or a positive culture of group B Streptococcus from a different normally sterile site (blood, pleural fluid, etc.) in a newborn aged 0 to 6 days in the surveillance area.

    The denominator for the most recent data year is based on live births in the study area for the year prior to the data year. For all other data years, the denominator is based on the live births in the study area for that data year. Missing race data was multiply imputed and surveillance rates were standardized to the racial distribution of the live birth estimates using vital statistics data from the CDC National Center for Health Statistics (NCHS).

Caveats and Limitations: 
ABCs Areas California (3 county San Francisco Bay area); Colorado (children < 1 year in 5 county Denver area); Connecticut (children < 1 year); Georgia (20 county); Maryland; Minnesota; New Mexico; New York (15 county Rochester and Albany areas); Oregon (3 county Portland area); Tennessee (20 counties) ABCs Population The surveillance areas represent 29,278,034 persons and 458,003 live births. Source: National Center for Health Statistics bridged-race vintage 2010 postcensal file and 2009 state vital records

Revision History

Any change to the objective text, baseline, target, target-setting method or data source since the Healthy People 2020 launch.

Description of Changes Since the Healthy People 2020 Launch: 
In 2015, the 2010 data were revised from 0.30 per 1,000 to 0.26 per 1,000 to update the denominator from the 2009 to the 2010 number of live births in the study area.