Table 1. Baseline Sociodemographic Characteristics for Individuals With Inpatient and Outpatient ICD-Based Diagnoses of TBI During 41 Years and Comparison Groupsa.
| Characteristic | Patients With TBI (n = 218 300) | General Population Controls (n = 2 163 190) | Patients With TBI With Unaffected Siblings (n = 150 513) | Unaffected Sibling Controls (n = 237 535) |
|---|---|---|---|---|
| Male, No. (%) | 151 362 (69.3) | 1 496 995 (69.2) | 104 803 (69.6) | 118 697 (50.0) |
| Single marital status, No. (%) | 175 677 (80.5) | 1 647 260 (76.1) | 126 344 (83.9) | 188 479 (79.3) |
| Immigrant status, No. (%) | 2653 (1.2) | 37 945 (1.8) | 597 (0.4) | 850 (0.4) |
| Individual disposable income, in thousands, mean (SD), Sk | 1060 (932) | 1113 (1101) | 1039 (967) | 1019 (812) |
| Age at diagnosis, median (IQR), y | 18.6 (6.0-30.3) | NA | 17.0 (5.6-27.3) | NA |
| Age at death, median (IQR), y | 40.6 (29.2-47.9) | 38.1 (25.9-47.9) | 39.4 (27.9-47.1) | 36.7 (23.9-46.0) |
Abbreviations: IQR, interquartile range; NA, not applicable; TBI, traumatic brain injury.
a
Data on marital status were not available for 494 individuals with TBI, 29 045 matched population controls, 211 TBI patients with sibling controls, and 257 unaffected sibling controls. Data on individual income were not available for 75 823 individuals with TBI, 795 625 matched population controls, 56 365 TBI patients with sibling controls, and 83 849 unaffected sibling controls.