Table Shells

Attachment G-1. Table Shells

Table 1. Associations with Indicators of Severity Using this Data Collection: Case Definition Tiers

	Case Definition Tiers (Mean, Median or %)a
Indicators of Injury Severity/Interview Type	Tier 3: Probable TBI	Tier 2: Possible TBI	Tier 1: Delayed Possible TBI
Adult/Proxy
Mean Time to Symptom Resolution
Mean Time to Return to Play (18 to 22 years of age)
Percent Hospitalized
Percent Received Post-TBI Examination
Percent Received TBI Diagnosis
Percent Reason for Not Seeking Care Other Than Perception that TBI was Not Seriousb
Median Extent of Impact: Social Functioningc
Median Extent of Impact: Work Functioningc
Adolescents
Mean Time to Symptom Resolution
Mean Time to Return to Play
Percent Hospitalized
Percent Checked Out For TBI
Percent Reason for Not Telling Other Than Perception TBI was Not Serious or Did Not Realize They Were Hurtb
Median Extent of Impact: Social Functioningc
Median Extent of Impact: School Activitiesc

^a Statistically significantly differences between groups indicated by superscripts

^b Among those who did not seek care or tell anyone about their TBI

^c Subsequent functioning measured using questions adapted from the Short Form Health Survey (SF-36), range is 1 - 5 (1).

Table 2. Associations with Indicators of Severity: TBI (Tier 3: Probable, Tier 2: Possible, Tier 1: Delayed Possible) Compared to Non-Cases^a

Indicators of Injury Severity/Interview Type	TBI (Median or %) b	Non-Cases (Median or %) b
Adult/Proxy
Percent Received Post-TBI Examination
Percent Received TBI Diagnosis
Percent Reason for Not Seeking Care Other Than Perception that TBI was Not Seriousb
Median Extent of Impact: Social Functioningd
Median Extent of Impact: Work Functioningd
Adolescent
Checked Out For TBI
Percent Reason for Not Telling Other Than Perception TBI was Not Serious or Did Not Realize They Were Hurtb
Median Extent of Impact: Social Functioningd
Median Extent of Impact: School Activitiesd

^a Non-cases refer to head injury for which no symptoms were endorsed

^b Statistically significant differences indicated by superscripts

^c Among those who did not seek care or tell anyone about their TBI

^d Subsequent functioning measured using questions adapted from the Short Form Health Survey (SF-36), range is 1 - 5 (1).

Table 3. Comparisons to Adolescent Reports to Parent Proxy Reports

Tier 3 and Tier 2 Estimate (CI)		Tier 3, Tier 2, Tier 1 Estimate (CI)		Tier 3, Tier 2, Tier 1 and Non-Casesa Estimate (CI)
% Agreement	Kappa	% Agreement	Kappa	% Agreement	Kappa

a Non-cases refer to head injury for which no symptoms were endorsed

CI = Confidence Interval

Table 4. Associations with Indicators of Severity in External Data Collections (Research Studies): Case Definition Tiers^a

	Case Definition Tiers (Mean, Median or %)b
Indicators of Severity	Tier 3 Probable	Tier 2 Possible	Tier 1 Delayed Possible
High School RIO
Mean Time to Symptom Resolution
Mean Time to Return to Play
PARC Study
Mean Persistent Symptoms

^a Statistically significantly differences between groups indicated by superscripts

Table 5. Comparison of Current Estimates to Estimates Using Healthcare Administrative Data

Population/ Data Source for Comparison	Data Source Estimate (CI)	Tier 3 and Tier 2 Estimate (CI)	Tier 3, Tier 2, Tier 1 Estimate (CI)	Tier 3, Tier 2, Tier 1 and Non-Casesa Estimate (CI)
Adults and children 5 years of age and older
Healthcare Cost and Utilization Project Nationwide Inpatient Sample (HCUP – NIS)
Healthcare Cost and Utilization Project Nationwide Emergency Department Sample (HCUP – NEDS)
National Electronic Injury Surveillance System – All Injury Program (NEISS – AIP)
Children 5 to 17 years of age
Truven Health Analytics MarketScan Research Databases: Medicaid and Commercial Claims

^a Non-cases refer to head injury for which no symptoms were endorsed

CI = Confidence Interval

Table 6. Comparison of Current Estimates to Estimates by Activity Engaged in at Time of Injury Using Healthcare Administrative Data and Self-Report Data

Population/ Data Source for Comparison	Data Source Estimate (CI)	Tier 3 and Tier 2 Estimate (CI)	Tier 3, Tier 2, Tier 1 Estimate (CI)	Tier 3, Tier 2, Tier 1 and Non-Casesa Estimate (CI)
Adults and children 5 years of age and older: Assault
Healthcare Cost and Utilization Project Nationwide Inpatient Sample (HCUP – NIS)
Healthcare Cost and Utilization Project Nationwide Emergency Department Sample (HCUP – NEDS)
Adults and children 5 years of age and older: Bike
National Electronic Injury Surveillance System – All Injury Program (NEISS – AIP)
Adults and children 5 years of age and older: Motor Vehicle
Healthcare Cost and Utilization Project Nationwide Inpatient Sample (HCUP – NIS)
Healthcare Cost and Utilization Project Nationwide Emergency Department Sample (HCUP – NEDS)
Adults and children 5 years of age and older: Falls
Healthcare Cost and Utilization Project Nationwide Inpatient Sample (HCUP – NIS)
Healthcare Cost and Utilization Project Nationwide Emergency Department Sample (HCUP – NEDS)
Adults and children 5 years of age and older: Sports and Recreation Related
National Electronic Injury Surveillance System – All Injury Program (NEISS – AIP)
Children 14 to 18 years of age: Sports and Recreation Related
Youth Risk Behavior Surveillance System (YRBS), 2017
Children 14 to 18 years of age: Sports and Recreation Related, School-Based Team Sport
Youth Risk Behavior Surveillance System (YRBS), 2017
Children 14 to 18 years of age: Sports and Recreation Related, Non-School-Based Team Sport
Youth Risk Behavior Surveillance System (YRBS), 2017
Children 14 to 18 years of age: Sports and Recreation Related, Not Part of School or Community Sports Team
Youth Risk Behavior Surveillance System (YRBS), 2017

^a Non-cases refer to head injury for which no symptoms were endorsed

CI = Confidence Interval

Table 7. Comparison of Current Estimates to Estimates by Health Care Provider Using Healthcare Administrative Data

Population/ Data Source for Comparison	Data Source Estimate (CI)	Tier 3 and Tier 2 Estimate (CI)	Tier 3, Tier 2, Tier 1 Estimate (CI)	Tier 3, Tier 2, Tier 1 and Non-Casesa Estimate (CI)
Adults and children 5 to 17 years of age: Truven Health Analytics MarketScan Research Databases: Medicaid and Commercial Claims
Emergency Department
Urgent Care Center
Office/Clinic
Outpatient

^a Non-cases refer to head injury for which no symptoms were endorsed

CI = Confidence Interval

1. Ware JE, Sherbourne CD. The MOS 36-item Short-Form Health Survey (SF-36): I. Conceptual framework and item selection. Medical Care. 1992;30:473-83.