enhancing injury mortality surveillance using national vital statistics system
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Enhancing injury mortality surveillance using National Vital Statistics System. Margaret Warner, PhD Mortality Statistics Branch National Conference on Health Statistics Washington, DC 2012. National Center for Health Statistics. 3311 Toledo Road, Hyattsville, MD. Overview. - PowerPoint PPT PresentationTRANSCRIPT
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Enhancing injury mortality surveillance
using National Vital Statistics System
Margaret Warner, PhDMortality Statistics Branch
National Conference on Health Statistics
Washington, DC 2012
National Center for Health Statistics3311 Toledo Road, Hyattsville, MD
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Overview Injury mortality surveillance and NVSS Examples of injury mortality surveillance
Drug poisoning mortality Drowning surveillance Suicide surveillance
Enhancements and next steps
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Why injury?
All injuries Poisoning Motor Vehicle Traffic
Firearm0
102030405060708090
100
Perc
ent
Percent of deaths pronounced outside of medical facility
Cause SOURCE: CDC/NCHS, National Vital Statistics System
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Data source National Vital Statistics System,
Multiple cause of death file Data from death certificates which is
compiled by state vital statistics offices States provide vital statistics data to
NCHS though the Vital Statistics Cooperative Agreement
Includes up to 20 causes of death coded using the International Classification of Diseases, 10th Revision (ICD-10)
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Example: Drug poisoning deaths
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1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 20090
2
4
6
8
10
12
14
16
18Motor vehicle trafficPoisoningDrug poisoning
Deat
hs p
er 1
00,0
00 p
opul
ation
Motor vehicle traffic, poisoning and drug poisoning death rates United States, 1999--2009
SOURCE: CDC/NCHS, National Vital Statistics System
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Drug poisoning deaths by type of drugUnited States, 1999--2009
1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 20090
2,000
4,000
6,000
8,000
10,000
12,000
14,000
16,000
18,000
Num
ber o
f dea
ths
NOTES: Drug categories are mutually exclusive. 1. Opioid analgesics include natural and semi-synthetic opioid analgesics (e.g. morphine, oxycodone, hydrocodone) and synthetic opioid analgesics (e.g. methadone, fentanyl). Some deaths in which the drug was poorly specified or unspecified may involve opioid analgesics. SOURCE: CDC/NCHS, National Vital Statistics System
Any opioid analgesic1
Specified drug(s) other than opioid analgesic
Only non-specified drug(s)
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1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 20090
2,000
4,000
6,000
8,000
10,000
12,000
Natural and semi-syn-thetic opioid analgesic
Methadone
Synthetic opioid analgesic, excluding methadone
Num
ber o
f dea
ths
Drug poisoning deaths by type of opioid analgesicsUnited States, 1999--2009
NOTES: Opioid analgesic categories are not mutually exclusive. SOURCE: CDC/NCHS, National Vital Statistics System
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1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 20090
2,000
4,000
6,000
8,000
10,000
12,000
Natural and semi-syn-thetic opioid analgesic
Methadone
Synthetic opioid analgesic, excluding methadone
Num
ber o
f dea
ths
Drug poisoning deaths by type of opioid analgesicUnited States, 1999--2009
NOTES: Opioid analgesic categories are not mutually exclusive. SOURCE: CDC/NCHS, National Vital Statistics System
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Specific drugs identified using
keyword search of literal text file
Morphine
0500
1,0001,500
2,0002,500
3,0003,5004,0004,500
2008
2009
Oxycodone
Hydrocodone
T40.2 Natural and semi-synthetic opioid
analgesic
Morphine
T40.4Synthetic opioid analgesic,
excluding methadone
Fentanyl Propoxyphene
Num
ber o
f dea
ths
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Drug specific enhancements ICD-10 drug classification limits the
ability to identify drugs and monitor trends
Code drugs using drug specific classification in addition to ICD-10
Develop list of terms and keywords to monitor death certificate literal text
Increase timeliness
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Example: Drowning surveillance
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Why drowning? Leading cause of death among
children Related to severe weather
events (e.g. hurricane, floods) and climate change
Follows geographic boundaries (e.g. oceans, rivers)
Consumer product -- emerging threat
Prevention strategies known !
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Location of drowning Locations identified using ICD-10
codes (W65-W74) Bathtub Swimming pool Natural body, including lake, open sea, river,
stream Other specified Unspecified
Special study Collaborators: Consumer Product Safety
Administration & National Institutes of Health Abstracted all location information from death
certificate
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Source: Brenner RA, Trumble AC, Smith GS, et al. Where children drown, United States, 1995. Pediatrics. 2001 Jul;108(1):85-9.
Where do children drown?
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Example: Suicide surveillance
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Suicide 10th leading cause of death From ICD-10
Mechanism (e.g. firearm, drowning, poisoning) Partners:
SAMSHA, Action Alliance of Suicide Prevention Geographic variation Clustering Changes over time
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Suicide Rate, by Age GroupUnited States, 1999-2009
2000 2002 2004 2006 20080
4
8
12
16
20
15-2425-44
Data from CDC WISQARS at http://www.cdc.gov/injury/wisqars/index.html
Rate per 100,000 population
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Enhancements and next stepsfor injury mortality surveillance
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• Electronic death registration up and running in 37 states
• Increased automation of data processing at NHCS
• Streamlining data flow from all states• NCHS systems enhanced for monitoring data
flow and feedback• Specified time frame for data receipt in NCHS
cooperative agreement with States (since mid-2012)
• NCHS coding of causes of death for all states (since 2011)
Recent enhancements to data collection and process
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Next steps Routine, “real-time” monitoring of deaths
Electronic death registration Improved processing at NCHS
Monitoring for “emerging threats” e.g. Drugs, consumer products
Using ICD-10 codes and key word searches for selected causes
National capacity to monitor by geography across jurisdictions e.g. Appalachia, severe weather