Table 1.
Characteristics of Patients With Traumatic Brain Injury Stratified by the Presence of Traumatic Subarachnoid Hemorrhage.
| Characteristica | No tSAH (N = 20 454) | tSAH (N = 20 454) |
|---|---|---|
| Age, mean (SD), y | 48.6 (21.6) | 49.2 (21.4) |
| Female | 5504 (26.9) | 5628 (27.5) |
| Raceb | ||
| White | 13 138 (64.2) | 13 559 (66.3) |
| Black | 2286 (11.2) | 1555 (7.6) |
| Hispanic | 3414 (16.7) | 3467 (17.0) |
| Asian | 648 (3.2) | 846 (4.1) |
| Other | 968 (4.7) | 1027 (5.0) |
| Payment sourcec | ||
| Medicare | 5000 (24.5) | 5114 (25.0) |
| Medicaid | 2516 (12.3) | 2687 (13.1) |
| Private | 7652 (37.4) | 7635 (37.3) |
| Self-pay | 2530 (12.4) | 2374 (11.6) |
| Other | 2756 (13.5) | 2644 (12.9) |
| Disposition | ||
| Home | 11 976 (58.6) | 10 491 (51.3) |
| Transfer to acute care facility | 802 (3.9) | 1116 (5.5) |
| Transfer to rehab/nursing home | 5426 (26.5) | 6938 (33.9) |
| Home health care | 1580 (7.7) | 1373 (6.7) |
| Against medical advice | 539 (2.6) | 424 (2.1) |
| Other | 131 (0.6) | 112 (0.6) |
| Length of stay, mean (SD), d | 10.6 (19.7) | 11.8 (17.2) |
| Hypertension | 6061 (29.6) | 6303 (30.8) |
| Diabetes | 2533 (12.4) | 2688 (13.1) |
| Coronary heart disease | 1574 (7.7) | 1665 (8.1) |
| Congestive heart failure | 629 (3.1) | 625 (3.1) |
| Peripheral vascular disease | 378 (1.9) | 361 (1.8) |
| Chronic obstructive pulmonary disease | 840 (4.1) | 830 (4.1) |
| Atrial fibrillation | 1072 (5.2) | 1127 (5.5) |
| Chronic kidney disease | 423 (2.1) | 446 (2.2) |
| Alcohol abuse | 6562 (32.1) | 6277 (30.7) |
| Tobacco use | 523 (2.6) | 531 (2.6) |
| Number of Elixhauser comorbidities, mean (SD) | 1.6 (1.6) | 1.7 (1.6) |
| Mechanical ventilation | 6193 (30.3) | 6155 (30.1) |
Abbreviations: SD, standard deviation; tSAH, traumatic subarachnoid hemorrhage.
aData are presented as number (%) unless otherwise specified.
bSelf-reported by patients or their surrogates. Numbers do not sum to group totals because of missing race/ethnicity data.
cNumbers do not sum to group totals because of missing payment-source data.