Table 1.
Demographic and clinical characteristics of research subjects
| Demographic Data | Healthy Donors | Trauma |
|---|---|---|
| Total number (n) | 42 | 124 |
| Age, mean (± SD), year | 38 (4) | 54 (21) |
| Sex, n (%) | ||
| Male | 31 (74%) | 71 (57%) |
| Female | 11 (26%) | 53 (43%) |
| Ethnicity, n (%)* | ||
| White | 10 (37%) | 75 (80%) |
| Black | 2 (7%) | 8 (9%) |
| Hispanic | 0 (0%) | 7 (7%) |
| Other | 15 (56%) | 4 (4%) |
| Mechanism of trauma, n (%) | ||
| Motor vehicle crash | 28 (23%) | |
| Fall | 76 (61%) | |
| Pedestrian struck | 11 (9%) | |
| Other | 10 (8%) | |
| Organ injury | ||
| None | 73 (59%) | |
| Brain | 7 (6%) | |
| Lung | 26 (21%) | |
| Spleen | 9 (7%) | |
| Bowel | 2 (2%) | |
| Liver | 8 (6%) | |
| Kidney | 10 (8%) | |
| Retroperitoneal Bleed | 3 (2%) | |
| Other | 14 (11%) | |
| Type of bone fracture | ||
| None | 11 (9%) | |
| Femur | 21 (17%) | |
| Tibia or fibula | 37 (30%) | |
| Radius or ulna | 23 (19%) | |
| Humerus | 11 (9%) | |
| Hip | 11 (9%) | |
| Other | 45 (36%) | |
| Past medical history | ||
| Alcoholism | 6 (5%) | |
| Congestive heart failure (CHF) | 2 (2%) | |
| Chronic obstructive pulmonary disease (COPD) | 2 (2%) | |
| Coronary artery disease (CAD) | 5 (4%) | |
| Chronic renal insufficiency | 3 (2%) | |
| Dementia | 2 (2%) | |
| Cerebrovascular accident (CVA) | 3 (2%) | |
| Hypertension (HTN) | 32 (26%) | |
| Intravenous drug user (IVDU) | 2 (2%) | |
| Liver disease | 5 (4%) | |
| Myocardial infarction (MI) | 6 (5%) | |
| Peptic ulcer disease (PUD) | 1 (1%) | |
| Diabetes | 10 (8%) | |
| Gout | 2 (2%) | |
| Osteoporosis | 5 (4%) | |
| Injury Severity Score, mean (± SD) | 12.3 ± 10.2 | |
*
Out of total 42 healthy donors, we were able to collect ethnicity information of only 27 healthy donors.