Reference

Year(s) of Data

Location

Case Definition and Data Source

TBI Severity Criteria and Scoring

MacKenzie et al., 1989a

1986

Maryland

ICD-9-CM codes 800, 801, 803, 804, 850–854

ICDMAP—converts ICD codes to Abbreviated Injury Severity Scores

MacKenzie et al., 1990

1979 to 1986

Maryland

ICD-9-CM codes 800, 801, 803, 804, 850–854

ICDMAP—converts ICD codes to Abbreviated Injury Severity Scores

Fuortes et al., 1990

1984 to 1986

Iowa

State central head injury registry of hospital discharge abstracts

Not reported

Oklahoma State Department of Health, 1991

1979 to 1986

Oklahoma

Hospital discharge codes ICD-9-CM 800–800.9, 801–801.9, 803–803.9, 804–804.9, 850–850.9, 851–851.9, 852–852.9, 853–853.9, 854–854.9, 905, 907. Excluded ED visits, ME probable cause of death for TBI

AIS 1 = minor AIS 2 = moderate AIS 3 = 3–5 = severe

Cooper et al., 1983

1980 to 1981

Bronx, NY

Hospital/ED logs and ICD-9-CM codes 800–801, 803–804, 850–854

Not reported

Schuster, 1994

1989 to 1991

Massachusetts

State vital statistics mortality file ICD-9; codes 800–802, 803–804, 850–854, 873

State uniform hospital discharge data set ICD-9 CM codes 800–801,803–804, 850–851

Not reported

Warren et al., 1995

1991 to 1993

Alaska

State Trauma Registry ICD-9-CM codes 800–804, 850–854, 950–954

Not reported

Thurman et al., 1996

1990 to 1992

Utah

Discharge date from all Utah acute care hospitals and state vital records using ICD-9-CM codes 800–801.9, 803–804.9, and 850–854.1 in any primary or secondary data fields

(1) Initial GCS: Severe = < 8; Moderate = 9–12; mild = 13–15; (2) Demonstrated intracranial traumatic lesions; (3) Focal abnormalities on neurological examination

Diamond, 1996

1988 to 1993

Virginia

All ED treated patients from Virginia Brain Injury Central Registry including hospital admitted ICD-9-CM codes 850–854.1, 800–804.9, 348.1, 900–900.9, 950–951.9

Severity not evaluated

Gabella et al., 1997a

1990 to 1993

Colorado, Missouri, Oklahoma, Utah

Hospital discharge data for all state hospitals or healthcare providers

No severity data reported



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