Demographic and clinical characteristics of patients with traumatic brain injury, overall and by severity
| Characteristic | Group; no. (%) of patients* | p value | ||
|---|---|---|---|---|
| All n = 23 | Moderate n = 6 | Severe n = 17 | ||
| Age, median (range), yr | 42 (18–87) | 72 (42–87) | 38 (18–83) | 0.03 |
| Age group, yr | ||||
| 18–45 | 13 (56) | 2 (33) | 11 (65) | 0.2 |
| 46–65 | 2 (9) | 0 (0) | 2 (12) | |
| > 65 | 8 (35) | 4 (67) | 4 (24) | |
| Male sex | 16 (70) | 3 (50) | 13 (76) | 0.09 |
| Hypertension | 6 (26) | 2 (33) | 4 (24) | 0.6 |
| Alcohol/substance use | 5 (22) | 1 (17) | 4 (24) | 0.7 |
| Diabetes mellitus | 4 (17) | 1 (17) | 3 (18) | 1.0 |
| Coronary artery disease | 2 (9) | 2 (33) | 0 (0) | 0.01 |
| Dyslipidemia | 3 (13) | 2 (33) | 1 (6) | 0.09 |
| Hyperthyroidism/hypothyroidism | 4 (17) | 2 (33) | 2 (12) | 0.2 |
| Injury Severity Score, median (range) | 17.0 (1–75) | 11.5 (1–57) | 20.0 (4–75) | 0.2 |
| Multiple trauma | 16 (70) | 4 (67) | 12 (71) | 0.9 |
| Glasgow Coma Scale score, median (range) | 7 (3–10) | 10 (9–10) | 6 (3–8) < 0.001 | |
| Height, median (range), m | 1.77 (1.52–1.97) | 1.62 (1.52–1.83) | 1.78 (1.58–1.97) | 0.02 |
| Actual weight, median (range), kg | 74 (52–105) | 68 (52–98) | 74 (58–105) | 0.6 |
| Ideal weight, median (range), kg | 67.6 (53.1–82.4) | 60.0 (53.1–73.7) | 70.4 (56.1–82.4) | 0.04 |
| First-day caloric intake, median (range), kcal | 196.0 (0.0–881.7) | 443.0 (0.0–881.7) | 196.0 (60.5–417.0) | 0.3 |
| Penn State equation estimate, median (range), kcal | 1680 (960–2330) | 1430 (960–1800) | 1726 (1180–2330) | 0.08 |
| Caloric intake during ICU stay, median (range), kcal | 1073 (828–1493) | 1025 (983–1349) | 1116 (828–1493) | 0.2 |
| First-day indirect calorimetry reading, median (range), kcal | 1776 (971–2750) | 1344 (971–2189) | 1865 (1167–2750) | 0.2 |
| Indirect calorimetry reading, median (range), kcal | 1833 (1090–2631) n = 12 | 1488 (1090–2264) n = 3 | 1865 (1167–2631) n = 9 | 0.2 |
ICU = intensive care unit.
↵* Except where noted otherwise.