codes presentation at the traffic records forum - 2008 - illinois 代码演示在交通记录论坛- 2008 -伊利诺斯

Analysis of Motor Vehicle Related Injuries and Fatalities Among Occupants of Passenger Cars in Illinois,Mehdi Nassirpour, Ph.D.Susan FitzpatrickIllinois Department of TransportationDivision of Traffic Safety,July 26-31, 2008,International Forum on Traffic Records & Highway Safety Information System,2,CODES Project and Highway Safety Office,How does CODES project fit with other Highway Safety Programs?Who are the audience?Has it been coordinated with ITRCC?How do program staff react toward the CODES?What have we done to address these concerns?,July 26-31, 2008,International Forum on Traffic Records & Highway Safety Information System,3,Objectives,Link 2003 crash data to hospital discharge data. Provide hospital costs and utilization patterns among those who were injured or died as a result of traffic crashes in Illinois.Provide descriptive information on number of discharges, average length of stay, primary injuries, types of crash controlling for demographics (age and gender), belt status, vehicle type, expected payment source and discharge status and several other factors.Develop analytical models to study the relationship between hospital charges, belt status and alcohol impairment, controlling for several demographic, vehicle and crash characteristics.,July 26-31, 2008,International Forum on Traffic Records & Highway Safety Information System,4,Linkage Project,2003 Person-level Illinois Crash Records2003 Augmented Single Record Hospital Inpatient Admissions2003 Hospital Inpatient Admissions with Injuries2003 Trauma AdmissionsAugmented Inpatient records with data from high probability Trauma recordsBuilt single records from multiple admissionsImputed Linkages,July 26-31, 2008,International Forum on Traffic Records & Highway Safety Information System,5,Data Linked,Hospital Inpatient,Augmented with Data from Trauma,Crash,July 26-31, 2008,International Forum on Traffic Records & Highway Safety Information System,6,Hospital to Trauma Linkage Results,July 26-31, 2008,International Forum on Traffic Records & Highway Safety Information System,7,Augmented Hospital Inpatient,The addition of E-Codes from high probability linked trauma records led to:12 percentage point increase in the number of augmented hospital inpatient discharges with E-Code values (from 47.5% to 59.7%)3 percentage point increase in the number with motor vehicle related E-Code values (from 5.6% to 8.5%),July 26-31, 2008,International Forum on Traffic Records & Highway Safety Information System,8,Crash to Augmented Hospital Inpatient Linkage Results,July 26-31, 2008,International Forum on Traffic Records & Highway Safety Information System,9,Applications,Alcohol ImpairmentBelt StatusTotal Hospital ChargesDemographics, Vehicle Type, Crash Type and Location Type,July 26-31, 2008,International Forum on Traffic Records & Highway Safety Information System,10,List of Variables Used,July 26-31, 2008,International Forum on Traffic Records & Highway Safety Information System,11,Analyses,Descriptive Statistics (Freq. Percent, and Average) on hospital charges and belt status controlling for several factors.Use multivariate Statistics (Regular Regression and Logistic Regression) to predict hospital charge, belt status, and alcohol impairment controlling for selected factors (Proc MI and MIANALYZE procedure in SAS used to perform these analyses.,July 26-31, 2008,International Forum on Traffic Records & Highway Safety Information System,12,Demographics,Vehicle,Crash,Injury,Charge,Discharge Status,Belt Status,Impairment,Theoretical Diagram,July 26-31, 2008,International Forum on Traffic Records & Highway Safety Information System,13,Descriptive Results,Crash victims hospitalized as inpatients:5, 098 average number of linked records$31, 649 estimated average hospital charges6.8 estimated average length of stay,July 26-31, 2008,International Forum on Traffic Records & Highway Safety Information System,14,Age Group,July 26-31, 2008,International Forum on Traffic Records & Highway Safety Information System,15,Gender Average Charge,July 26-31, 2008,International Forum on Traffic Records & Highway Safety Information System,16,Belt Status Charges and LOS,July 26-31, 2008,International Forum on Traffic Records & Highway Safety Information System,17,Estimated Hospital Charge by Belt Status and Head/Neck Injury,July 26-31, 2008,International Forum on Traffic Records & Highway Safety Information System,18,Estimated Hospital Charge by Belt Status and Alcohol Impairment,July 26-31, 2008,International Forum on Traffic Records & Highway Safety Information System,19,Results based on Multivariate Analyses,July 26-31, 2008,International Forum on Traffic Records & Highway Safety Information System,20,Results of MIANALYZE on Total Charge Per Discharge Controlling for Selected Person, Vehicle and Environmental Variables,July 26-31, 2008,International Forum on Traffic Records & Highway Safety Information System,21,Results of MIANALYZE on Belt Status Controlling for Selected Person, Vehicle and Environmental Variables,July 26-31, 2008,International Forum on Traffic Records & Highway Safety Information System,22,Results of MIANALYZE on Alcohol Impairment Controlling for Selected Person, Vehicle and Environmental Variables,July 26-31, 2008,International Forum on Traffic Records & Highway Safety Information System,23,Future Plan,Complete the analysis Validate and compare our numbers with other states data through NHTSA and other CODES statesShare the results with following groups:ITRCC membersCODES Advisory Committee membersHighway Safety program Committee membersUse the linked data as source database for the highway safety and injury prevention groupsPublish the re